diff --git a/junifer/data/masks/_masks.py b/junifer/data/masks/_masks.py
index 0f9bb8dae..b2ad54ba1 100644
--- a/junifer/data/masks/_masks.py
+++ b/junifer/data/masks/_masks.py
@@ -310,7 +310,7 @@ def register(
         # Check for attempt of overwriting built-in mask
         if name in self._builtin:
             raise_error(f"Mask: {name} already registered as built-in mask.")
-        # Check for attempt of overwriting external coordinates
+        # Check for attempt of overwriting external masks
         if name in self._external:
             if overwrite:
                 logger.info(f"Overwriting mask: {name}")