diff --git a/pandas/_libs/tslibs/nattype.pyx b/pandas/_libs/tslibs/nattype.pyx
index 6dc49914ef4b7..f079c5157eeb3 100644
--- a/pandas/_libs/tslibs/nattype.pyx
+++ b/pandas/_libs/tslibs/nattype.pyx
@@ -397,7 +397,7 @@ class NaTType(_NaT):
 
         Parameters
         ----------
-        locale : string, default None (English locale)
+        locale : str, default None (English locale)
             Locale determining the language in which to return the month name.
 
         Returns
@@ -414,7 +414,7 @@ class NaTType(_NaT):
 
         Parameters
         ----------
-        locale : string, default None (English locale)
+        locale : str, default None (English locale)
             Locale determining the language in which to return the day name.
 
         Returns
diff --git a/pandas/_libs/tslibs/timestamps.pyx b/pandas/_libs/tslibs/timestamps.pyx
index fad87f9f910cb..471ed557f4327 100644
--- a/pandas/_libs/tslibs/timestamps.pyx
+++ b/pandas/_libs/tslibs/timestamps.pyx
@@ -1053,7 +1053,7 @@ timedelta}, default 'raise'
 
         Parameters
         ----------
-        locale : string, default None (English locale)
+        locale : str, default None (English locale)
             Locale determining the language in which to return the day name.
 
         Returns
@@ -1070,7 +1070,7 @@ timedelta}, default 'raise'
 
         Parameters
         ----------
-        locale : string, default None (English locale)
+        locale : str, default None (English locale)
             Locale determining the language in which to return the month name.
 
         Returns