DOC Fix tiny punctuation mistake in doc of SGDClassifier (#15135)

felixdivo · thomasjpfan · commit 85dd7556c162 · 2019-10-04T20:50:29.000-04:00
diff --git a/sklearn/linear_model/stochastic_gradient.py b/sklearn/linear_model/stochastic_gradient.py
@@ -747,7 +747,7 @@ class SGDClassifier(BaseSGDClassifier):
         not achievable with 'l2'.
 
     alpha : float
-        Constant that multiplies the regularization term. Defaults to 0.0001
+        Constant that multiplies the regularization term. Defaults to 0.0001.
         Also used to compute learning_rate when set to 'optimal'.
 
     l1_ratio : float
