diff --git a/py-polars/polars/dataframe/frame.py b/py-polars/polars/dataframe/frame.py
index 86327bf7988..ce8d644dd31 100644
--- a/py-polars/polars/dataframe/frame.py
+++ b/py-polars/polars/dataframe/frame.py
@@ -7146,6 +7146,7 @@ def join(
             Do not rely on any observed ordering without explicitly
             setting this parameter, as your code may break in a future release.
             Not specifying any ordering can improve performance
+            Supported for inner, left, right and full joins
 
             * *none*
                 No specific ordering is desired. The ordering might differ across
diff --git a/py-polars/polars/lazyframe/frame.py b/py-polars/polars/lazyframe/frame.py
index c46eecd5d46..4e83ce25f37 100644
--- a/py-polars/polars/lazyframe/frame.py
+++ b/py-polars/polars/lazyframe/frame.py
@@ -4457,6 +4457,7 @@ def join(
             Do not rely on any observed ordering without explicitly
             setting this parameter, as your code may break in a future release.
             Not specifying any ordering can improve performance
+            Supported for inner, left, right and full joins
 
             * *none*
                 No specific ordering is desired. The ordering might differ across