diff --git a/ci/code_checks.sh b/ci/code_checks.sh
index 58ecae66e1bcc..ce53c9fca60e0 100755
--- a/ci/code_checks.sh
+++ b/ci/code_checks.sh
@@ -98,7 +98,6 @@ if [[ -z "$CHECK" || "$CHECK" == "docstrings" ]]; then
         -i "pandas.DataFrame.swaplevel SA01" \
         -i "pandas.DataFrame.to_markdown SA01" \
         -i "pandas.DataFrame.var PR01,RT03,SA01" \
-        -i "pandas.DatetimeIndex.snap PR01,RT03" \
         -i "pandas.Grouper PR02" \
         -i "pandas.Index PR07" \
         -i "pandas.Index.append PR07,RT03,SA01" \
diff --git a/pandas/core/indexes/datetimes.py b/pandas/core/indexes/datetimes.py
index 742f66aa80728..78f04f57029b1 100644
--- a/pandas/core/indexes/datetimes.py
+++ b/pandas/core/indexes/datetimes.py
@@ -451,9 +451,17 @@ def snap(self, freq: Frequency = "S") -> DatetimeIndex:
         """
         Snap time stamps to nearest occurring frequency.
 
+        Parameters
+        ----------
+        freq : str, Timedelta, datetime.timedelta, or DateOffset, default 'S'
+            Frequency strings can have multiples, e.g. '5h'. See
+            :ref:`here <timeseries.offset_aliases>` for a list of
+            frequency aliases.
+
         Returns
         -------
         DatetimeIndex
+            Time stamps to nearest occurring `freq`.
 
         See Also
         --------