diff --git a/snorkel/models/candidate.py b/snorkel/models/candidate.py
index 768f2beb6..5c82fa3cd 100644
--- a/snorkel/models/candidate.py
+++ b/snorkel/models/candidate.py
@@ -92,7 +92,7 @@ def candidate_subclass(class_name, args, table_name=None):
     Creates the table in DB if does not exist yet.
 
     Import using
-    .. code-block:
+    .. code-block::
         from snorkel.models import candidate_subclass
 
     :param class_name: The name of the class, should be "camel case" e.g. NewCandidateClass