diff --git a/src/main/java/ui/ActionPerformer.java b/src/main/java/ui/ActionPerformer.java
index 7d54e95584dd59b1502c2068725bf44e28df8a55..a569776e71cbc7a2a9f9dfb26400baf00fefa44e 100755
--- a/src/main/java/ui/ActionPerformer.java
+++ b/src/main/java/ui/ActionPerformer.java
@@ -68,7 +68,7 @@ public class ActionPerformer {
             mgui.newAnalysis();
         } else if (command.equals(mgui.actions[TGUIAction.ACT_OPEN_FROM_NETWORK].getActionCommand())) {
             mgui.openNetworkProject();
-	} else if (command.equals(mgui.actions[TGUIAction.ACT_OPEN].getActionCommand())) {
+        } else if (command.equals(mgui.actions[TGUIAction.ACT_OPEN].getActionCommand())) {
             mgui.openProject();
         } else if (command.equals(mgui.actions[TGUIAction.ACT_MERGE].getActionCommand())) {
             mgui.mergeProject();
diff --git a/src/main/java/ui/MainGUI.java b/src/main/java/ui/MainGUI.java
index 3c4ce15519c73c57ae162205b6a86dba279982a1..ca81ea99e5a23d1fab675fda80b56383078beaf9 100644
--- a/src/main/java/ui/MainGUI.java
+++ b/src/main/java/ui/MainGUI.java
@@ -6525,7 +6525,6 @@ public  class MainGUI implements ActionListener, WindowListener, KeyListener, Pe
         return null;
     }
 
-
     public void alignInstances() {
         //TraceManager.addDev("Align instances");
         if (getCurrentTDiagramPanel() instanceof ui.sd.SequenceDiagramPanel) {
diff --git a/src/main/java/ui/ModeManager.java b/src/main/java/ui/ModeManager.java
index fa2974e183af8a4bfd638383e115b79507fdb901..8c5d52881842b5e738b7ddde85226fb436818972 100755
--- a/src/main/java/ui/ModeManager.java
+++ b/src/main/java/ui/ModeManager.java
@@ -61,7 +61,7 @@ public class ModeManager {
             mgui.activeActions(false);
             actions[TGUIAction.ACT_NEW].setEnabled(true);
             actions[TGUIAction.ACT_OPEN].setEnabled(true);
-	    actions[TGUIAction.ACT_OPEN_FROM_NETWORK].setEnabled(true);
+            actions[TGUIAction.ACT_OPEN_FROM_NETWORK].setEnabled(true);
             actions[TGUIAction.ACT_OPEN_TIF].setEnabled(true);
             actions[TGUIAction.ACT_OPEN_SD].setEnabled(true);
             actions[TGUIAction.ACT_OPEN_LAST].setEnabled(true);
diff --git a/src/main/java/ui/TGUIAction.java b/src/main/java/ui/TGUIAction.java
index 4ad2e771c56c10219edf5cbe80ecb2933b4558d9..186402e360b15ebf33bba8dd5c499f0ec1a9cc12 100755
--- a/src/main/java/ui/TGUIAction.java
+++ b/src/main/java/ui/TGUIAction.java
@@ -655,7 +655,7 @@ public class TGUIAction extends AbstractAction {
         actions[ACT_NEW_DESIGN] = new TAction("new-command-design", "New design", IconManager.imgic14, IconManager.imgic14, "New design", "New TURTLE design", 0);
         actions[ACT_NEW_ANALYSIS] = new TAction("new-command-analysis", "New analysis", IconManager.imgic17, IconManager.imgic17, "New analysis", "New TURTLE analysis", 0);
         actions[ACT_OPEN] = new TAction("open-command","Open", IconManager.imgic22, IconManager.imgic23, "Open", "Open an existing TTooll model",'O', true);
-	actions[ACT_OPEN_FROM_NETWORK] = new TAction("open-command-from-network","Open from TTool repository", IconManager.imgic22, IconManager.imgic23, "Open from TTool repository", "Open an existing TTool model from the TTool repository (TTool website)",'O', true);
+        actions[ACT_OPEN_FROM_NETWORK] = new TAction("open-command-from-network","Open from TTool repository", IconManager.imgic22, IconManager.imgic23, "Open from TTool repository", "Open an existing TTool model from the TTool repository (TTool website)",'O', true);
         actions[ACT_OPEN_LAST] = new TAction("openlast-command","Open file: " + ConfigurationTTool.LastOpenFile, IconManager.imgic22, IconManager.imgic23, "Open: " + ConfigurationTTool.LastOpenFile, "Open the lastly saved TTool model", 0);
         actions[ACT_MERGE] = new TAction("merge-command","Merge", IconManager.imgic22, IconManager.imgic23, "Merge", "Merge the current TTool modeling with another one saved in a file ", 0);
         actions[ACT_SAVE] = new TAction("save-command", "Save",IconManager.imgic24, IconManager.imgic25, "Save", "Save an opened or a new TTool modeling", 'S', true);