add CHAR LIMIT for home settings menu

Bug: 153972057
Change-Id: Ic6d9104a8b27bcdcc7fe6440b7d26d0baf0f473c
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 65e0816..5f4bd8e 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -182,7 +182,7 @@
     <string name="wallpaper_button_text">Wallpapers</string>
     <!-- Text for wallpaper change button -->
     <string name="styles_wallpaper_button_text">Styles &amp; wallpapers</string>
-    <!-- Text for settings button -->
+    <!-- Text for settings button [CHAR LIMIT=20]-->
     <string name="settings_button_text">Home settings</string>
     <!-- Message shown when a feature is disabled by the administrator -->
     <string name="msg_disabled_by_admin">Disabled by your admin</string>