Update limitations.md

added in content in source files using the gpl color palette as an example

docs/src/user_guide/limitations.md

@@ -21,6 +21,15 @@ Description
 
 > Proposed solution: currently working on it -->
 
+
+## Content in Source files ##
+SLYR will process and utilize any available content. If no content is present, SLYR will have nothing to convert.
+> To check if the content exists, open up the source file in its native software and check to see if the content is there.  
+>  - In this example, content exists only in the yellow folders. No content is illustrated as a white folder.  
+![Arcmap Style Manager](../images/style_arcmap.png)
+
+> Proposed solution: check within the source software that your source file has the required content. 
+
 ## Graduated renderer
 
 SLYR cannot translate a QGIS "graduated renderer" to any comparable result in