diff --git a/docs/reference/gio/glib-compile-resources.rst b/docs/reference/gio/glib-compile-resources.rst
index 096dc1dbb..2e24c1b99 100644
--- a/docs/reference/gio/glib-compile-resources.rst
+++ b/docs/reference/gio/glib-compile-resources.rst
@@ -63,7 +63,8 @@ OPTIONS
 ``--sourcedir <DIRECTORY>``
 
   The files referenced in ``FILE`` are loaded from this directory. If not
-  specified, the current directory is used.
+  specified, the current directory is used. If ``--sourcedir`` is used more
+  than once, the specified directories are searched in order.
 
 ``--generate``
 
@@ -178,4 +179,4 @@ ENVIRONMENT
   The full path to the ``json-glib-format`` executable. This is used to
   preprocess resources with the ``json-stripblanks`` preprocessing option. If
   this environment variable is not set, ``json-glib-format`` is searched for in
-  the ``PATH``.
\ No newline at end of file
+  the ``PATH``.