Addresses #4801 Update file module docs to indicate behavior for relative src paths

files/file

@@ -80,7 +80,8 @@ options:
     default: null
     choices: []
     description:
-      - path of the file to link to (applies only to C(state=link)).
+      - path of the file to link to (applies only to C(state=link)). Will accept absolute,
+        relative and nonexisting paths. Relative paths are not expanded.
   seuser:
     required: false
     default: null