diff --git a/pandas/_testing/asserters.py b/pandas/_testing/asserters.py
index 79c8e64fc4df3..63c696c663e66 100644
--- a/pandas/_testing/asserters.py
+++ b/pandas/_testing/asserters.py
@@ -540,7 +540,7 @@ def assert_categorical_equal(
     left : Categorical
     right : Categorical
     check_dtype : bool, default True
-        Check that integer dtype of the codes are the same
+        Check that integer dtype of the codes are the same.
     check_category_order : bool, default True
         Whether the order of the categories should be compared, which
         implies identical integer codes.  If False, only the resulting
@@ -548,7 +548,7 @@ def assert_categorical_equal(
         checked regardless.
     obj : str, default 'Categorical'
         Specify object name being compared, internally used to show appropriate
-        assertion message
+        assertion message.
     """
     _check_isinstance(left, right, Categorical)