diff --git a/python/example_robot_data/robots_loader.py b/python/example_robot_data/robots_loader.py
index 4785ad2b415caec2affdb001e4e4e5712711ead0..23b17a11722aee8cfa2f8eca9ced1566bed5d319 100644
--- a/python/example_robot_data/robots_loader.py
+++ b/python/example_robot_data/robots_loader.py
@@ -541,7 +541,7 @@ ROBOTS = {
 
 
 def loader(name, display=False, rootNodeName=""):
-    """Load a robot by its name, and optionnaly display it in a viewer."""
+    """Load a robot by its name, and optionally display it in a viewer."""
     if name not in ROBOTS:
         robots = ", ".join(sorted(ROBOTS.keys()))
         raise ValueError(