Fixed link to CLA, Fixes #2326

docs/sources/project/building_from_source.md

@@ -74,4 +74,4 @@ You only need to add the options you want to override. Config files are applied
 
 ## Create a pull requests
 
-Before or after your create a pull requests, sign the [contributor license agreement](/docs/contributing/cla.html).
+Before or after your create a pull requests, sign the [contributor license agreement](/project/cla.html).