Index: /applications/editors/josm/plugins/turnlanes/src/org/openstreetmap/josm/plugins/turnlanes/gui/JunctionPane.java
===================================================================
--- /applications/editors/josm/plugins/turnlanes/src/org/openstreetmap/josm/plugins/turnlanes/gui/JunctionPane.java	(revision 36368)
+++ /applications/editors/josm/plugins/turnlanes/src/org/openstreetmap/josm/plugins/turnlanes/gui/JunctionPane.java	(revision 36369)
@@ -285,5 +285,5 @@
         rotation = 0;
 
-        scale = Math.min(getHeight() / 2 / bounds.getHeight(), getWidth() / 2 / bounds.getWidth());
+        scale = Math.min(getHeight() / 2.0 / bounds.getHeight(), getWidth() / 2.0 / bounds.getWidth());
 
         translationX = -bounds.getCenterX();
Index: /applications/editors/josm/plugins/turnlanes/src/org/openstreetmap/josm/plugins/turnlanes/gui/TurnLanesDialog.java
===================================================================
--- /applications/editors/josm/plugins/turnlanes/src/org/openstreetmap/josm/plugins/turnlanes/gui/TurnLanesDialog.java	(revision 36368)
+++ /applications/editors/josm/plugins/turnlanes/src/org/openstreetmap/josm/plugins/turnlanes/gui/TurnLanesDialog.java	(revision 36369)
@@ -2,4 +2,5 @@
 package org.openstreetmap.josm.plugins.turnlanes.gui;
 
+import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
 import static org.openstreetmap.josm.tools.I18n.tr;
 
@@ -48,4 +49,5 @@
             super(tr("Edit"), "dialogs/edit", tr("Edit turn relations and lane lengths for selected node."), null,
                     false);
+            putValue("help", ht("/Action/TurnLanesEdit"));
         }
 
@@ -66,4 +68,5 @@
             super(tr("Validate"), "dialogs/validator", tr("Validate turn- and lane-length-relations for consistency."),
                     null, false);
+            putValue("help", ht("/Action/TurnLanesValidate"));
         }