diff --git a/mailnews/compose/resources/locale/en-US/messengercompose.dtd b/mailnews/compose/resources/locale/en-US/messengercompose.dtd
index baf48e0c671b..45ddd50406af 100644
--- a/mailnews/compose/resources/locale/en-US/messengercompose.dtd
+++ b/mailnews/compose/resources/locale/en-US/messengercompose.dtd
@@ -72,7 +72,7 @@
 <!ENTITY insertMenu.label ".Insert">
 
 <!-- Format menu items -->
-<!ENTITY formatMenu.label ".Format">
+<!ENTITY formatMenu.label "Format">
 
 <!-- Message menu items -->
 <!ENTITY messageMenu.label "Message">
diff --git a/suite/locales/en-US/chrome/mailnews/compose/messengercompose.dtd b/suite/locales/en-US/chrome/mailnews/compose/messengercompose.dtd
index baf48e0c671b..45ddd50406af 100644
--- a/suite/locales/en-US/chrome/mailnews/compose/messengercompose.dtd
+++ b/suite/locales/en-US/chrome/mailnews/compose/messengercompose.dtd
@@ -72,7 +72,7 @@
 <!ENTITY insertMenu.label ".Insert">
 
 <!-- Format menu items -->
-<!ENTITY formatMenu.label ".Format">
+<!ENTITY formatMenu.label "Format">
 
 <!-- Message menu items -->
 <!ENTITY messageMenu.label "Message">