diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_filter.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_filter.inx
index eed0f65b..504ccf65 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_filter.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_filter.inx
@@ -21,7 +21,7 @@
 	<param name="flattenbezier" type="bool" gui-text="Quantization (flatten bezier curves to polylines)" gui-description="Converts bezier curves to polylines. Automatically enabled if 'Multilayer/document'">true</param>	
 	<param name="flatness" type="float" min="0.001" max="99999.000" precision="3" gui-text="flatness" gui-description="Minimum flatness = 0.001. The smaller the value the more fine segments you will get.">0.100</param>	
     <param name="apply_transformations" type="bool" gui-text="Use 'Apply Transformations' extension" gui-description="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting">false</param>
- 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data">false</param>
+ 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data. If enabled output is not applied to InkScape canvas!">false</param>
  	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion">false</param>
  	<param name="output_trajectories" type="bool" gui-text="Import travel trajectories" gui-description="Add paths for the travel trajectories">false</param>
  	<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths (original objects) will be removed">false</param>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_freemode.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_freemode.inx
index 6a4dc6ae..57f45ce2 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_freemode.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_freemode.inx
@@ -27,7 +27,7 @@
 		    <param name="flattenbezier" type="bool" gui-text="Quantization (flatten bezier curves to polylines)" gui-description="Converts bezier curves to polylines. Automatically enabled if 'Multilayer/document'">true</param>	
 			<param name="flatness" type="float" min="0.001" max="99999.000" precision="3" gui-text="flatness" gui-description="Minimum flatness = 0.001. The smaller the value the more fine segments you will get.">0.100</param>	
 		    <param name="apply_transformations" type="bool" gui-text="Use 'Apply Transformations' extension" gui-description="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting">false</param>
-		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data">false</param>
+		 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data. If enabled output is not applied to InkScape canvas!">false</param>
 		 	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion">false</param>
 		 	<param name="output_trajectories" type="bool" gui-text="Import travel trajectories" gui-description="Add paths for the travel trajectories">false</param>
 		 	<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths (original objects) will be removed">false</param>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_linemerge.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_linemerge.inx
index a6500681..5c16670b 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_linemerge.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_linemerge.inx
@@ -16,7 +16,7 @@
 	<param name="flattenbezier" type="bool" gui-text="Quantization (flatten bezier curves to polylines)" gui-description="Converts bezier curves to polylines. Automatically enabled if 'Multilayer/document'">true</param>	
 	<param name="flatness" type="float" min="0.001" max="99999.000" precision="3" gui-text="flatness" gui-description="Minimum flatness = 0.001. The smaller the value the more fine segments you will get.">0.100</param>	
     <param name="apply_transformations" type="bool" gui-text="Use 'Apply Transformations' extension" gui-description="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting">false</param>
- 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data">false</param>
+ 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data. If enabled output is not applied to InkScape canvas!">false</param>
  	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion">false</param>
  	<param name="output_trajectories" type="bool" gui-text="Import travel trajectories" gui-description="Add paths for the travel trajectories">false</param>
  	<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths (original objects) will be removed">false</param>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_linesimplify.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_linesimplify.inx
index 1707890d..3ec75e90 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_linesimplify.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_linesimplify.inx
@@ -15,7 +15,7 @@
 	<param name="flattenbezier" type="bool" gui-text="Quantization (flatten bezier curves to polylines)" gui-description="Converts bezier curves to polylines. Automatically enabled if 'Multilayer/document'">true</param>	
 	<param name="flatness" type="float" min="0.001" max="99999.000" precision="3" gui-text="flatness" gui-description="Minimum flatness = 0.001. The smaller the value the more fine segments you will get.">0.100</param>	
     <param name="apply_transformations" type="bool" gui-text="Use 'Apply Transformations' extension" gui-description="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting">false</param>
- 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data">false</param>
+ 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data. If enabled output is not applied to InkScape canvas!">false</param>
  	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion">false</param>
  	<param name="output_trajectories" type="bool" gui-text="Import travel trajectories" gui-description="Add paths for the travel trajectories">false</param>
  	<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths (original objects) will be removed">false</param>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_linesort.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_linesort.inx
index dab44cc7..bbf91434 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_linesort.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_linesort.inx
@@ -15,7 +15,7 @@
 	<param name="flattenbezier" type="bool" gui-text="Quantization (flatten bezier curves to polylines)" gui-description="Converts bezier curves to polylines. Automatically enabled if 'Multilayer/document'">true</param>	
 	<param name="flatness" type="float" min="0.001" max="99999.000" precision="3" gui-text="flatness" gui-description="Minimum flatness = 0.001. The smaller the value the more fine segments you will get.">0.100</param>	
     <param name="apply_transformations" type="bool" gui-text="Use 'Apply Transformations' extension" gui-description="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting">false</param>
- 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data">false</param>
+ 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data. If enabled output is not applied to InkScape canvas!">false</param>
  	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion">false</param>
  	<param name="output_trajectories" type="bool" gui-text="Import travel trajectories" gui-description="Add paths for the travel trajectories">false</param>
  	<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths (original objects) will be removed">false</param>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_multipass.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_multipass.inx
index 3288695c..8d7242cf 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_multipass.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_multipass.inx
@@ -15,7 +15,7 @@
 	<param name="flattenbezier" type="bool" gui-text="Quantization (flatten bezier curves to polylines)" gui-description="Converts bezier curves to polylines. Automatically enabled if 'Multilayer/document'">true</param>	
 	<param name="flatness" type="float" min="0.001" max="99999.000" precision="3" gui-text="flatness" gui-description="Minimum flatness = 0.001. The smaller the value the more fine segments you will get.">0.100</param>	
     <param name="apply_transformations" type="bool" gui-text="Use 'Apply Transformations' extension" gui-description="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting">false</param>
- 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data">false</param>
+ 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data. If enabled output is not applied to InkScape canvas!">false</param>
  	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion">false</param>
  	<param name="output_trajectories" type="bool" gui-text="Import travel trajectories" gui-description="Add paths for the travel trajectories">false</param>
  	<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths (original objects) will be removed">false</param>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_occult.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_occult.inx
index ce39406c..d0cfd0d8 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_occult.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_occult.inx
@@ -15,7 +15,7 @@
 	<param name="flattenbezier" type="bool" gui-text="Quantization (flatten bezier curves to polylines)" gui-description="Converts bezier curves to polylines. Automatically enabled if 'Multilayer/document'">true</param>	
 	<param name="flatness" type="float" min="0.001" max="99999.000" precision="3" gui-text="flatness" gui-description="Minimum flatness = 0.001. The smaller the value the more fine segments you will get.">0.100</param>	
     <param name="apply_transformations" type="bool" gui-text="Use 'Apply Transformations' extension" gui-description="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting">false</param>
- 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data">false</param>
+ 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data. If enabled output is not applied to InkScape canvas!">false</param>
  	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion">false</param>
  	<param name="output_trajectories" type="bool" gui-text="Import travel trajectories" gui-description="Add paths for the travel trajectories">false</param>
  	<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths (original objects) will be removed">false</param>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_relooping.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_relooping.inx
index 741603fd..1859b448 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_relooping.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_relooping.inx
@@ -15,7 +15,7 @@
 	<param name="flattenbezier" type="bool" gui-text="Quantization (flatten bezier curves to polylines)" gui-description="Converts bezier curves to polylines. Automatically enabled if 'Multilayer/document'">true</param>	
 	<param name="flatness" type="float" min="0.001" max="99999.000" precision="3" gui-text="flatness" gui-description="Minimum flatness = 0.001. The smaller the value the more fine segments you will get.">0.100</param>	
     <param name="apply_transformations" type="bool" gui-text="Use 'Apply Transformations' extension" gui-description="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting">false</param>
- 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data">false</param>
+ 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data. If enabled output is not applied to InkScape canvas!">false</param>
  	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion">false</param>
  	<param name="output_trajectories" type="bool" gui-text="Import travel trajectories" gui-description="Add paths for the travel trajectories">false</param>
  	<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths (original objects) will be removed">false</param>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_splitall.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_splitall.inx
index 119c6416..b3d1c359 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_splitall.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_splitall.inx
@@ -14,7 +14,7 @@
 	<param name="flattenbezier" type="bool" gui-text="Quantization (flatten bezier curves to polylines)" gui-description="Converts bezier curves to polylines. Automatically enabled if 'Multilayer/document'">true</param>	
 	<param name="flatness" type="float" min="0.001" max="99999.000" precision="3" gui-text="flatness" gui-description="Minimum flatness = 0.001. The smaller the value the more fine segments you will get.">0.100</param>	
     <param name="apply_transformations" type="bool" gui-text="Use 'Apply Transformations' extension" gui-description="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting">false</param>
- 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data">false</param>
+ 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data. If enabled output is not applied to InkScape canvas!">false</param>
  	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion">false</param>
  	<param name="output_trajectories" type="bool" gui-text="Import travel trajectories" gui-description="Add paths for the travel trajectories">false</param>
  	<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths (original objects) will be removed">false</param>
diff --git a/extensions/fablabchemnitz/vpypetools/vpypetools_trim.inx b/extensions/fablabchemnitz/vpypetools/vpypetools_trim.inx
index 998aaff1..0a7f968b 100644
--- a/extensions/fablabchemnitz/vpypetools/vpypetools_trim.inx
+++ b/extensions/fablabchemnitz/vpypetools/vpypetools_trim.inx
@@ -16,7 +16,7 @@
     <param name="flattenbezier" type="bool" gui-text="Quantization (flatten bezier curves to polylines)" gui-description="Converts bezier curves to polylines.">true</param>	
 	<param name="flatness" type="float" min="0.001" max="99999.000" precision="3" gui-text="flatness" gui-description="Minimum flatness = 0.001. The smaller the value the more fine segments you will get.">0.100</param>	
     <param name="apply_transformations" type="bool" gui-text="Use 'Apply Transformations' extension" gui-description="Run 'Apply Transformations' extension before running vpype. Helps avoiding geometry shifting">false</param>
- 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data">false</param>
+ 	<param name="output_show" type="bool" gui-text="Preview only (debug output)" gui-description="This will open a new matplotlib window showing modified SVG data. If enabled output is not applied to InkScape canvas!">false</param>
  	<param name="output_stats" type="bool" gui-text="Show conversion statistics" gui-description="Show output statistics before/after conversion">false</param>
  	<param name="output_trajectories" type="bool" gui-text="Import travel trajectories" gui-description="Add paths for the travel trajectories">false</param>
  	<param name="keep_selection" type="bool" gui-text="Keep selected paths" gui-description="If false, selected paths (original objects) will be removed">false</param>