DOC fix typo in comments for svm/classes.py
@@ -1224,7 +1224,7 @@ class OneClassSVM(BaseLibSVM, OutlierMixin):
"""
Perform classification on samples in X.
- For an one-class model, +1 or -1 is returned.
+ For a one-class model, +1 or -1 is returned.
Parameters
----------
