Index: src/org/openstreetmap/josm/actions/OpenFileAction.java
===================================================================
--- src/org/openstreetmap/josm/actions/OpenFileAction.java	(Revision 2887)
+++ src/org/openstreetmap/josm/actions/OpenFileAction.java	(Arbeitskopie)
@@ -117,7 +117,7 @@
                         if (f.isDirectory()) {
                             JOptionPane.showMessageDialog(
                                     Main.parent,
-                                    tr("<html>Cannot open directory.<br>Please select a file!"),
+                                    tr("<html>Cannot open directory.<br>Please select a file!</html>"),
                                     tr("Open file"),
                                     JOptionPane.INFORMATION_MESSAGE
                             );
Index: src/org/openstreetmap/josm/actions/OrthogonalizeAction.java
===================================================================
--- src/org/openstreetmap/josm/actions/OrthogonalizeAction.java	(Revision 2887)
+++ src/org/openstreetmap/josm/actions/OrthogonalizeAction.java	(Arbeitskopie)
@@ -35,16 +35,16 @@
  * See USAGE String below.
  */
 public final class OrthogonalizeAction extends JosmAction {
-    String USAGE = tr(
-    "When one or more ways are selected, the shape is adjusted such, that all angles are 90 or 180 degrees.<h3>"+
-    "You can add two nodes to the selection. Then, the direction is fixed by these two reference nodes."+
-    "(Afterwards, you can undo the movement for certain nodes:<br>"+
-    "Select them and press the shortcut for Orthogonalize / Undo. The default is Shift-Q.)");
+    private String USAGE = tr(
+        "<h3>When one or more ways are selected, the shape is adjusted such, that all angles are 90 or 180 degrees.</h3>"+
+        "You can add two nodes to the selection. Then, the direction is fixed by these two reference nodes. "+
+        "(Afterwards, you can undo the movement for certain nodes:<br>"+
+        "Select them and press the shortcut for Orthogonalize / Undo. The default is Shift-Q.)");
 
     public OrthogonalizeAction() {
         super(tr("Orthogonalize Shape"),
                 "ortho",
-                tr("Move nodes so all angles are 90 or 270 degree"),
+                tr("Move nodes so all angles are 90 or 270 degrees"),
                 Shortcut.registerShortcut("tools:orthogonalize", tr("Tool: {0}", tr("Orthogonalize Shape")),
                         KeyEvent.VK_Q,
                         Shortcut.GROUP_EDIT), true);
@@ -104,7 +104,7 @@
                 JOptionPane.showMessageDialog(
                         Main.parent,
                         tr("Orthogonalize Shape / Undo\n"+
-                        "Please select nodes that were moved by the previous Orthogonalize Shape action!"),
+                           "Please select nodes that were moved by the previous Orthogonalize Shape action!"),
                         tr("Undo Orthogonalize Shape"),
                         JOptionPane.INFORMATION_MESSAGE);
             }
@@ -118,7 +118,7 @@
             String msg = tr("<html>You are using the EPSG:4326 projection which might lead<br>" +
                     "to undesirable results when doing rectangular alignments.<br>" +
                     "Change your projection to get rid of this warning.<br>" +
-            "Do you want to continue?</html>");
+                    "Do you want to continue?</html>");
             if (!ConditionalOptionPaneUtil.showConfirmationDialog(
                     "align_rectangular_4326",
                     Main.parent,
@@ -260,7 +260,7 @@
         } catch (RejectedAngleException ex) {
             throw new InvalidUserInputException(
                     "<html>Please make sure all selected ways head in a similar direction<br>"+
-            "or orthogonalize them one by one.");
+                    "or orthogonalize them one by one.</html>");
         }
 
         // put the nodes of all ways in a set
