diff --git a/maint_tools/test_docstrings.py b/maint_tools/test_docstrings.py
index 3171bbafe90a0..917b1097d5257 100644
--- a/maint_tools/test_docstrings.py
+++ b/maint_tools/test_docstrings.py
@@ -24,7 +24,6 @@
     "ColumnTransformer",
     "ComplementNB",
     "CountVectorizer",
-    "DecisionTreeClassifier",
     "DecisionTreeRegressor",
     "DictVectorizer",
     "DictionaryLearning",
diff --git a/sklearn/tree/_classes.py b/sklearn/tree/_classes.py
index 289cb6718e46c..332eaff52118f 100644
--- a/sklearn/tree/_classes.py
+++ b/sklearn/tree/_classes.py
@@ -920,7 +920,7 @@ def fit(
             This parameter is deprecated and has no effect.
             It will be removed in 1.1 (renaming of 0.26).
 
-            .. deprecated :: 0.24
+            .. deprecated:: 0.24
 
         Returns
         -------