diff --git a/pandas/core/frame.py b/pandas/core/frame.py
index 521d16ac0b905..d79f87abb46be 100644
--- a/pandas/core/frame.py
+++ b/pandas/core/frame.py
@@ -7539,7 +7539,7 @@ def append(
         other : DataFrame or Series/dict-like object, or list of these
             The data to append.
         ignore_index : bool, default False
-            If True, do not use the index labels.
+            If True, the resulting axis will be labeled 0, 1, …, n - 1.
         verify_integrity : bool, default False
             If True, raise ValueError on creating index with duplicates.
         sort : bool, default False
diff --git a/pandas/core/series.py b/pandas/core/series.py
index a652af5efc590..95c558172b7b7 100644
--- a/pandas/core/series.py
+++ b/pandas/core/series.py
@@ -2609,7 +2609,7 @@ def append(self, to_append, ignore_index=False, verify_integrity=False):
         to_append : Series or list/tuple of Series
             Series to append with self.
         ignore_index : bool, default False
-            If True, do not use the index labels.
+            If True, the resulting axis will be labeled 0, 1, …, n - 1.
         verify_integrity : bool, default False
             If True, raise Exception on creating index with duplicates.