Unreviewed fix of spelling error in comment

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@1072 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/dev/core/src/com/google/gwt/dev/shell/BrowserWidget.java b/dev/core/src/com/google/gwt/dev/shell/BrowserWidget.java
index 7c530b1..fd65478 100644
--- a/dev/core/src/com/google/gwt/dev/shell/BrowserWidget.java
+++ b/dev/core/src/com/google/gwt/dev/shell/BrowserWidget.java
@@ -356,7 +356,7 @@
     }
     if (loadedModules.isEmpty()) {
       if (!toolbar.openWebModeButton.isDisposed()) {
-        // Disable the compile buton.
+        // Disable the compile button.
         //
         toolbar.openWebModeButton.setEnabled(false);
       }