diff --git a/mindplot/src/main/javascript/nlayout/BalancedSorter.js b/mindplot/src/main/javascript/nlayout/BalancedSorter.js
index 9249e3ab..050a573d 100644
--- a/mindplot/src/main/javascript/nlayout/BalancedSorter.js
+++ b/mindplot/src/main/javascript/nlayout/BalancedSorter.js
@@ -149,7 +149,7 @@ mindplot.nlayout.BalancedSorter = new Class({
             }
 
             var yOffset = ysum + heights[i].height/2;
-            var xOffset = direction * (node.getSize().width + mindplot.nlayout.SymetricSorter.INTERNODE_HORIZONTAL_PADDING);
+            var xOffset = direction * (node.getSize().width + mindplot.nlayout.SymmetricSorter.INTERNODE_HORIZONTAL_PADDING);
 
             $assert(!isNaN(xOffset), "xOffset can not be null");
             $assert(!isNaN(yOffset), "yOffset can not be null");
diff --git a/mindplot/src/main/javascript/nlayout/GridSorter.js b/mindplot/src/main/javascript/nlayout/GridSorter.js
index 75bbe773..7ee470bd 100644
--- a/mindplot/src/main/javascript/nlayout/GridSorter.js
+++ b/mindplot/src/main/javascript/nlayout/GridSorter.js
@@ -16,7 +16,7 @@
  *   limitations under the License.
  */
 mindplot.nlayout.GridSorter = new Class({
-    Extends: mindplot.nlayout.SymetricSorter,
+    Extends: mindplot.nlayout.SymmetricSorter,
 
     computeOffsets: function(treeSet, node) {
         $assert(treeSet, "treeSet can no be null.");
diff --git a/mindplot/src/main/javascript/nlayout/OriginalLayout.js b/mindplot/src/main/javascript/nlayout/OriginalLayout.js
index 5d117d45..406b97ad 100644
--- a/mindplot/src/main/javascript/nlayout/OriginalLayout.js
+++ b/mindplot/src/main/javascript/nlayout/OriginalLayout.js
@@ -28,7 +28,7 @@ mindplot.nlayout.OriginalLayout = new Class({
 
         var strategy = type === 'root' ?
             mindplot.nlayout.OriginalLayout.BALANCED_SORTER :
-            mindplot.nlayout.OriginalLayout.SYMETRIC_SORTER;
+            mindplot.nlayout.OriginalLayout.SYMMETRIC_SORTER;
         return new mindplot.nlayout.Node(id, size, position, strategy);
     },
 
@@ -120,7 +120,7 @@ mindplot.nlayout.OriginalLayout = new Class({
 
 });
 
-mindplot.nlayout.OriginalLayout.SYMETRIC_SORTER = new mindplot.nlayout.SymetricSorter();
+mindplot.nlayout.OriginalLayout.SYMMETRIC_SORTER = new mindplot.nlayout.SymmetricSorter();
 mindplot.nlayout.OriginalLayout.GRID_SORTER = new mindplot.nlayout.GridSorter();
 mindplot.nlayout.OriginalLayout.BALANCED_SORTER = new mindplot.nlayout.BalancedSorter();
 
diff --git a/mindplot/src/main/javascript/nlayout/SymetricSorter.js b/mindplot/src/main/javascript/nlayout/SymmetricSorter.js
similarity index 93%
rename from mindplot/src/main/javascript/nlayout/SymetricSorter.js
rename to mindplot/src/main/javascript/nlayout/SymmetricSorter.js
index 63f59f12..68d91d5d 100644
--- a/mindplot/src/main/javascript/nlayout/SymetricSorter.js
+++ b/mindplot/src/main/javascript/nlayout/SymmetricSorter.js
@@ -15,7 +15,7 @@
  *   See the License for the specific language governing permissions and
  *   limitations under the License.
  */
-mindplot.nlayout.SymetricSorter = new Class({
+mindplot.nlayout.SymmetricSorter = new Class({
     Extends: mindplot.nlayout.ChildrenSorterStrategy,
     initialize:function() {
 
@@ -28,7 +28,7 @@ mindplot.nlayout.SymetricSorter = new Class({
     },
 
     _computeChildrenHeight : function(treeSet, node, heightCache) {
-        var height = node.getSize().height + (mindplot.nlayout.SymetricSorter.INTERNODE_VERTICAL_PADDING * 2); // 2* Top and down padding;
+        var height = node.getSize().height + (mindplot.nlayout.SymmetricSorter.INTERNODE_VERTICAL_PADDING * 2); // 2* Top and down padding;
 
         var result;
         var children = treeSet.getChildren(node);
@@ -74,7 +74,7 @@ mindplot.nlayout.SymetricSorter = new Class({
         // Ok, no overlap. Suggest a new order.
         if (result) {
             var last = children.getLast();
-            result = [last.getOrder() + 1,{x:cpos.x,y:cpos.y - (mindplot.nlayout.SymetricSorter.INTERNODE_VERTICAL_PADDING * 4)}];
+            result = [last.getOrder() + 1,{x:cpos.x,y:cpos.y - (mindplot.nlayout.SymmetricSorter.INTERNODE_VERTICAL_PADDING * 4)}];
         }
 
         return result;
@@ -152,7 +152,7 @@ mindplot.nlayout.SymetricSorter = new Class({
             var direction = parent.getPosition().x > 0 ? 1 : -1;
 
             var yOffset = ysum + heights[i].height/2;
-            var xOffset = direction * (node.getSize().width + mindplot.nlayout.SymetricSorter.INTERNODE_HORIZONTAL_PADDING);
+            var xOffset = direction * (node.getSize().width + mindplot.nlayout.SymmetricSorter.INTERNODE_HORIZONTAL_PADDING);
 
             $assert(!isNaN(xOffset), "xOffset can not be null");
             $assert(!isNaN(yOffset), "yOffset can not be null");
@@ -171,7 +171,7 @@ mindplot.nlayout.SymetricSorter = new Class({
     }
 });
 
-mindplot.nlayout.SymetricSorter.INTERNODE_VERTICAL_PADDING = 5;
-mindplot.nlayout.SymetricSorter.INTERNODE_HORIZONTAL_PADDING = 5;
+mindplot.nlayout.SymmetricSorter.INTERNODE_VERTICAL_PADDING = 5;
+mindplot.nlayout.SymmetricSorter.INTERNODE_HORIZONTAL_PADDING = 5;
 
 
diff --git a/mindplot/src/test/javascript/static/layout.html b/mindplot/src/test/javascript/static/layout.html
index bb64267d..35958da0 100644
--- a/mindplot/src/test/javascript/static/layout.html
+++ b/mindplot/src/test/javascript/static/layout.html
@@ -12,7 +12,7 @@
 
     <script type='text/javascript' src='../../../main/javascript/nlayout/LayoutManager.js'></script>
     <script type='text/javascript' src='../../../main/javascript/nlayout/ChildrenSorterStrategy.js'></script>
-    <script type='text/javascript' src='../../../main/javascript/nlayout/SymetricSorter.js'></script>
+    <script type='text/javascript' src='../../../main/javascript/nlayout/SymmetricSorter.js'></script>
     <script type='text/javascript' src='../../../main/javascript/nlayout/GridSorter.js'></script>
     <script type='text/javascript' src='../../../main/javascript/nlayout/BalancedSorter.js'></script>
     <script type='text/javascript' src='../../../main/javascript/nlayout/OriginalLayout.js'></script>