diff --git a/xpfe/global/resources/locale/en-US/mac/platformDialogOverlay.dtd b/xpfe/global/resources/locale/en-US/mac/platformDialogOverlay.dtd
index c32250680c16..3e111868ca37 100644
--- a/xpfe/global/resources/locale/en-US/mac/platformDialogOverlay.dtd
+++ b/xpfe/global/resources/locale/en-US/mac/platformDialogOverlay.dtd
@@ -1,13 +1,12 @@
 <!-- mac -->
 
 <!-- OK Cancel Buttons -->
-<!ENTITY okButton.label			"OK"> 
-<!ENTITY cancelButton.label		"Cancel"> 
-<!ENTITY helpButton.label		"Help">
-
+<!ENTITY okButton.label         "OK"> 
+<!ENTITY cancelButton.label     "Cancel"> 
+<!ENTITY helpButton.label       "Help">
 
 <!-- Key labels, for mousewheel prefs -->
-<!ENTITY ctrlKey.label			"Control">
-<!ENTITY altKey.label			"Option">
-<!ENTITY shiftKey.label			"Shift">
+<!ENTITY ctrlKey.label          "Ctrl">
+<!ENTITY altKey.label           "Option">
+<!ENTITY shiftKey.label         "Shift">
 
diff --git a/xpfe/global/resources/locale/en-US/unix/platformDialogOverlay.dtd b/xpfe/global/resources/locale/en-US/unix/platformDialogOverlay.dtd
index b984fcfcaf64..22a9185105a6 100644
--- a/xpfe/global/resources/locale/en-US/unix/platformDialogOverlay.dtd
+++ b/xpfe/global/resources/locale/en-US/unix/platformDialogOverlay.dtd
@@ -1,12 +1,12 @@
 <!-- unix -->
 
 <!-- OK Cancel Buttons -->
-<!ENTITY okButton.label			"OK"> 
-<!ENTITY cancelButton.label		"Cancel"> 
-<!ENTITY helpButton.label		"Help">
+<!ENTITY okButton.label         "OK"> 
+<!ENTITY cancelButton.label     "Cancel"> 
+<!ENTITY helpButton.label       "Help">
 
 <!-- Key labels, for mousewheel prefs -->
-<!ENTITY ctrlKey.label			"Control">
-<!ENTITY altKey.label			"Alt">
-<!ENTITY shiftKey.label			"Shift">
+<!ENTITY ctrlKey.label          "Ctrl">
+<!ENTITY altKey.label           "Alt">
+<!ENTITY shiftKey.label         "Shift">
 
diff --git a/xpfe/global/resources/locale/en-US/win/platformDialogOverlay.dtd b/xpfe/global/resources/locale/en-US/win/platformDialogOverlay.dtd
index ddaf31a53007..1983c9212137 100644
--- a/xpfe/global/resources/locale/en-US/win/platformDialogOverlay.dtd
+++ b/xpfe/global/resources/locale/en-US/win/platformDialogOverlay.dtd
@@ -1,12 +1,12 @@
 <!-- win -->
 
 <!-- OK Cancel Buttons -->
-<!ENTITY okButton.label		"OK"> 
-<!ENTITY cancelButton.label		"Cancel"> 
-<!ENTITY helpButton.label		"Help">
+<!ENTITY okButton.label         "OK"> 
+<!ENTITY cancelButton.label     "Cancel"> 
+<!ENTITY helpButton.label       "Help">
 
 <!-- Key labels, for mousewheel prefs -->
-<!ENTITY ctrlKey.label			"Control">
-<!ENTITY altKey.label			"Alt">
-<!ENTITY shiftKey.label			"Shift">
+<!ENTITY ctrlKey.label          "Ctrl">
+<!ENTITY altKey.label           "Alt">
+<!ENTITY shiftKey.label         "Shift">