MDL-49536 theme_clean: update help text for logo

Updated the help text on the theme settings page to
mention that the theme logo will only be displayed on
the front page and login page.

theme/clean/lang/en/theme_clean.php

@@ -57,7 +57,7 @@
 $string['invertdesc'] = 'Swaps text and background for the navbar at the top of the page between black and white.';
 
 $string['logo'] = 'Logo';
-$string['logodesc'] = 'The logo is displayed in the header.<br /> If the height of your logo is more than 75px add div.logo {height: 100px;} to the Custom CSS box below, amending accordingly if the height is other than 100px.';
+$string['logodesc'] = 'The logo is only displayed in the header of the front page and login page.<br /> If the height of your logo is more than 75px add div.logo {height: 100px;} to the Custom CSS box below, amending accordingly if the height is other than 100px.';
 
 $string['pluginname'] = 'Clean';
 

theme/more/lang/en/theme_more.php

@@ -64,7 +64,7 @@
 $string['linkcolor'] = 'Link colour';
 $string['linkcolor_desc'] = 'The colour of the links.';
 $string['logo'] = 'Logo';
-$string['logodesc'] = 'The logo is displayed in the header.<br /> If the height of your logo is more than 75px add div.logo {height: 100px;} to the Custom CSS box below, amending accordingly if the height is other than 100px.';
+$string['logodesc'] = 'The logo is only displayed in the header of the front page and login page.<br /> If the height of your logo is more than 75px add div.logo {height: 100px;} to the Custom CSS box below, amending accordingly if the height is other than 100px.';
 
 $string['pluginname'] = 'More';
 

theme/upgrade.txt

@@ -1,6 +1,10 @@
 This files describes API changes in /theme/* themes,
 information provided here is intended especially for theme designer.
 
+=== 2.9.2 ===
+
+* Themes Clean and More page header logo only displays on front page and login page.
+
 === 2.9 ===
 
 * Themes Bootstrapbase, Clean and More have undergone some changes for RTL layouts see - MDL-48160.