diff --git a/pandas/core/frame.py b/pandas/core/frame.py
index ba2f11c87369f..a1c17c2ecfc32 100644
--- a/pandas/core/frame.py
+++ b/pandas/core/frame.py
@@ -4525,7 +4525,7 @@ def set_index(
         append : bool, default False
             Whether to append columns to existing index.
         inplace : bool, default False
-            Modify the DataFrame in place (do not create a new object).
+            If True, modifies the DataFrame in place (do not create a new object).
         verify_integrity : bool, default False
             Check the new index for duplicates. Otherwise defer the check until
             necessary. Setting to False will improve the performance of this