diff --git a/source/tools/rlclient/python/README.md b/source/tools/rlclient/python/README.md
index 7bb7ca6ada..30860cb582 100644
--- a/source/tools/rlclient/python/README.md
+++ b/source/tools/rlclient/python/README.md
@@ -58,4 +58,4 @@ actions = [zero_ad.actions.attack(my_units, enemy_units[0])]
 state = game.step(actions)
 ```
 
-For a more thorough example, check out samples/simple-example.py!
+For a more thorough example, check out samples/simple_example.py!
diff --git a/source/tools/rlclient/python/samples/simple-example.py b/source/tools/rlclient/python/samples/simple_example.py
similarity index 100%
rename from source/tools/rlclient/python/samples/simple-example.py
rename to source/tools/rlclient/python/samples/simple_example.py