update Readme with source path

README.md

@@ -326,6 +326,9 @@ For easier navigation, you can simply click on a line and the other view will ju
 You can follow function calls with a double click.
 In the sourcecode view you can press ctrl+f or press the search icon to open a search window.
 
+If you have the sources in different directory, you can use `--sourcePaths` or the settings to
+select tell the disassembler to search there for the source code.
+
 ## Known Issues
 
 If anything breaks in the above and the output is less usable than `perf report`, please