follow-up tdf#89676 Add some explanation in comment

Change-Id: I740b91e801dc658551ff7ec848f7e4941b9273af
Reviewed-on: https://gerrit.libreoffice.org/47113Reviewed-by: Gabor Kelemen <kelemeng@ubuntu.com>
Tested-by: Gabor Kelemen <kelemeng@ubuntu.com>
Tested-by: Jenkins <ci@libreoffice.org>

sfx2/inc/strings.hxx

@@ -13,6 +13,7 @@
 #define STR_HTML_GENERATOR "%PRODUCTNAME %PRODUCTVERSION%PRODUCTEXTENSION (%1)"
 
 // Do not translate STR_TEMPLATE_NAME*_DEF names!!
+// STR_TEMPLATE_NAME*_DEF strings must EXACTLY fit dc:title tag in meta.xml of each template file
 #define STR_TEMPLATE_NAME1_DEF  "Alizarin"
 #define STR_TEMPLATE_NAME2_DEF  "Beehive"
 #define STR_TEMPLATE_NAME3_DEF  "Blue Curve"