diff --git a/README.md b/README.md
index a6a7a06c..e7a7909b 100644
--- a/README.md
+++ b/README.md
@@ -177,6 +177,10 @@ A correct local tool installation should look like this:
         ├── user_settings.sample.py
         └── version
 
+To enable your local build in Steam, go to the Steam Play section of the
+Settings window. If the build was correctly installed, you should see
+"proton-localbuild" in the drop-down list of compatibility tools.
+
 Each component of this software is used under the terms of their licenses.  See
 the <tt>LICENSE</tt> files here, as well as the <tt>LICENSE</tt>,
 <tt>COPYING</tt>, etc files in each submodule and directory for details. If you