diff --git a/Docs/Changelog_sm5.txt b/Docs/Changelog_sm5.txt
index c4105c1886..f8390a8729 100644
--- a/Docs/Changelog_sm5.txt
+++ b/Docs/Changelog_sm5.txt
@@ -13,6 +13,10 @@ ________________________________________________________________________________
   longer play videos back at multiplied speed. [kyzentun]
 * [Sprite] Get/SetDecodeMovie added. [kyzentun]
 
+2015/02/03
+----------
+* [MusicWheel] HideActiveSectionTitle metric added. [djpohly]
+
 2015/02/02
 ----------
 * [ActorMultiVertex] ForceStateUpdate and Get/SetDecodeMovie added. [kyzentun]
diff --git a/Docs/Luadoc/Lua.xml b/Docs/Luadoc/Lua.xml
index 4e15aac781..9fe1ca6ca5 100644
--- a/Docs/Luadoc/Lua.xml
+++ b/Docs/Luadoc/Lua.xml
@@ -212,6 +212,7 @@
 		<Function name='dofile'/>
 		<Function name='error'/>
 		<Function name='fapproach'/>
+		<Function name='find_missing_strings_in_theme_translations'/>
 		<Function name='foreach_ordered'/>
 		<Function name='gcinfo'/>
 		<Function name='getenv'/>
diff --git a/Docs/Luadoc/LuaDocumentation.xml b/Docs/Luadoc/LuaDocumentation.xml
index 8b171b3261..08a634a4d4 100644
--- a/Docs/Luadoc/LuaDocumentation.xml
+++ b/Docs/Luadoc/LuaDocumentation.xml
@@ -145,6 +145,12 @@ save yourself some time, copy this for undocumented things:
 	<Function name='fapproach' theme='_fallback' return='float' arguments='float val, float other_val, float to_move'>
 		[02 Utilities.lua] Old name for approach.
 	</Function>
+	<Function name='find_missing_strings_in_theme_translations' return='' arguments='string theme_name, string master_lang_name'>
+		This function creates files in the theme's Languages folder listing all the strings that have no translation and all the strings that are unused.<br />
+		Strings that do not have an entry in the master language are considered unused.<br />
+		master_lang_name is the name of the ini file that contains the language with all strings used by the theme.<br />
+		Example:  find_missing_strings_in_theme_translations("my_best_theme", "en.ini")
+	</Function>
 	<Function name='FindSelection' theme='_fallback' return='int' arguments='table list'>
 		[02 Utilities.lua] Return the index of a true value in <code>list</code>.
 	</Function>