diff --git a/README.md b/README.md
index 7f1d09e4..b72a97c0 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # MightyScape for Inkscape 1.0+
 
-In short: A maintained extension collection for Inkscape 1.0+, working on Windows and Linux. There are **234 extension folders** with **407 .inx files** inside. We also take part at https://inkscape.org/gallery/=extension/ (with single extension uploads).
+In short: A maintained extension collection for Inkscape 1.0+, working on Windows and Linux. There are **235 extension folders** with **408 .inx files** inside. We also take part at https://inkscape.org/gallery/=extension/ (with single extension uploads).
 
 # About MightyScape
 
diff --git a/extensions/fablabchemnitz/dxf2papercraft/dxf2papercraft.py b/extensions/fablabchemnitz/dxf2papercraft/dxf2papercraft.py
index d2447059..87dac8e7 100644
--- a/extensions/fablabchemnitz/dxf2papercraft/dxf2papercraft.py
+++ b/extensions/fablabchemnitz/dxf2papercraft/dxf2papercraft.py
@@ -17,7 +17,7 @@ To make it work you need to install at least java.
 Author: Mario Voigt / FabLab Chemnitz
 Mail: mario.voigt@stadtfabrikanten.org
 Date: 11.09.2020
-Last patch: 18.04.2021
+Last patch: 26.10.2021
 License: GNU GPL v3
 
 Module licenses
@@ -29,7 +29,7 @@ ToDos:
 - maybe add some DXF model preview tool (maybe a useless idea at all)
 """
 
-class PapercraftUnfold(inkex.EffectExtension):
+class DXF2Papercraft(inkex.EffectExtension):
     
     def add_arguments(self, pars):
         pars.add_argument("--tab")    
@@ -145,4 +145,4 @@ class PapercraftUnfold(inkex.EffectExtension):
                 self.msg("Error resizing to bounding box.")
 
 if __name__ == '__main__':
-    PapercraftUnfold().run()
\ No newline at end of file
+    DXF2Papercraft().run()
\ No newline at end of file
diff --git a/extensions/fablabchemnitz/plycutter/meta.json b/extensions/fablabchemnitz/plycutter/meta.json
index 90230d62..fee82470 100644
--- a/extensions/fablabchemnitz/plycutter/meta.json
+++ b/extensions/fablabchemnitz/plycutter/meta.json
@@ -1,10 +1,10 @@
 [
   {
-    "name": "PlyCutter",
+    "name": "PlyCutter (Unstable)",
     "id": "fablabchemnitz.de.plycutter",
     "path": "plycutter",
     "dependent_extensions": null,
-    "original_name": "PlyCutter",
+    "original_name": "PlyCutter (Unstable)",
     "original_id": "fablabchemnitz.de.plycutter",
     "license": "GNU AGPL v3",
     "license_url": "https://github.com/tjltjl/plycutter/blob/master/LICENSE-agpl-3.0.txt",
diff --git a/extensions/fablabchemnitz/plycutter/plycutter.inx b/extensions/fablabchemnitz/plycutter/plycutter.inx
index 063368de..0cd77418 100644
--- a/extensions/fablabchemnitz/plycutter/plycutter.inx
+++ b/extensions/fablabchemnitz/plycutter/plycutter.inx
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
-    <name>PlyCutter</name>
+    <name>PlyCutter (Unstable)</name>
     <id>fablabchemnitz.de.plycutter</id>
 	 <param name="tab" type="notebook">
 		<page name="tab_settings" gui-text="PlyCutter">
@@ -29,7 +29,7 @@
 		</page>
 		<page name="tab_about" gui-text="About">
 			<label appearance="header">Plycutter</label>
-			<label>A wrapper for Plycutter, utilizing kabeja to convert the dxf output to SVG. To make it work you need to install at least java.</label>
+			<label>A wrapper for Plycutter, utilizing kabeja to convert the dxf output to SVG. To make it work you need to install at least java and the plycutter python module from github.</label>
 			<label>2021 / written by Mario Voigt (Stadtfabrikanten e.V. / FabLab Chemnitz)</label>
 			<spacer/>
 			<label appearance="header">Online Documentation</label>