diff --git a/doc/source/whatsnew/v3.0.0.rst b/doc/source/whatsnew/v3.0.0.rst
index a7f63d75a047e..cd93112e4c3fe 100644
--- a/doc/source/whatsnew/v3.0.0.rst
+++ b/doc/source/whatsnew/v3.0.0.rst
@@ -73,6 +73,7 @@ Other enhancements
 - Support passing a :class:`Iterable[Hashable]` input to :meth:`DataFrame.drop_duplicates` (:issue:`59237`)
 - Support reading Stata 102-format (Stata 1) dta files (:issue:`58978`)
 - Support reading Stata 110-format (Stata 7) dta files (:issue:`47176`)
+- Improved deprecation message for offset aliases (:issue:`60820`)
 
 .. ---------------------------------------------------------------------------
 .. _whatsnew_300.notable_bug_fixes:
diff --git a/pandas/_libs/tslibs/offsets.pyx b/pandas/_libs/tslibs/offsets.pyx
index 36b431974c121..c2090b92bf80e 100644
--- a/pandas/_libs/tslibs/offsets.pyx
+++ b/pandas/_libs/tslibs/offsets.pyx
@@ -4883,7 +4883,7 @@ def _warn_about_deprecated_aliases(name: str, is_period: bool) -> str:
         warnings.warn(
             f"\'{name}\' is deprecated and will be removed "
             f"in a future version, please use "
-            f"\'{c_PERIOD_AND_OFFSET_DEPR_FREQSTR.get(name)}\' "
+            f"\'{c_PERIOD_AND_OFFSET_DEPR_FREQSTR.get(name)}\'"
             f" instead.",
             FutureWarning,
             stacklevel=find_stack_level(),
@@ -4897,7 +4897,7 @@ def _warn_about_deprecated_aliases(name: str, is_period: bool) -> str:
             warnings.warn(
                 f"\'{name}\' is deprecated and will be removed "
                 f"in a future version, please use "
-                f"\'{_name}\' "
+                f"\'{_name}\'"
                 f" instead.",
                 FutureWarning,
                 stacklevel=find_stack_level(),
diff --git a/pandas/tests/arrays/test_datetimes.py b/pandas/tests/arrays/test_datetimes.py
index e3f49d04a0ff2..87505b1b22fc4 100644
--- a/pandas/tests/arrays/test_datetimes.py
+++ b/pandas/tests/arrays/test_datetimes.py
@@ -769,8 +769,10 @@ def test_date_range_frequency_M_Q_Y_raises(self, freq):
     @pytest.mark.parametrize("freq_depr", ["2MIN", "2nS", "2Us"])
     def test_date_range_uppercase_frequency_deprecated(self, freq_depr):
         # GH#9586, GH#54939
-        depr_msg = f"'{freq_depr[1:]}' is deprecated and will be removed in a "
-        f"future version. Please use '{freq_depr.lower()[1:]}' instead."
+        depr_msg = (
+            f"'{freq_depr[1:]}' is deprecated and will be removed in a "
+            f"future version, please use '{freq_depr.lower()[1:]}' instead."
+        )
 
         expected = pd.date_range("1/1/2000", periods=4, freq=freq_depr.lower())
         with tm.assert_produces_warning(FutureWarning, match=depr_msg):