--- a/mail/messenger/appmenu.ftl
+++ b/mail/messenger/appmenu.ftl
@@ -1,16 +1,16 @@
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 
 ## View / Layout
 
-appmenu-font-size-value = ITamaño de letra
+appmenu-font-size-value = Tamaño de letra
 appmenuitem-font-size-enlarge =
     .tooltiptext = Aumentar tamaño del texto
 appmenuitem-font-size-reduce =
     .tooltiptext = Reducir tamaño del texto
 # Variables:
 # $size (String) - The current font size.
 appmenuitem-font-size-reset =
     .label = { $size }px