Wrap lines appropriately
diff --git a/docs/hazmat/backends/interfaces.rst b/docs/hazmat/backends/interfaces.rst
index 3b41433..77de4ac 100644
--- a/docs/hazmat/backends/interfaces.rst
+++ b/docs/hazmat/backends/interfaces.rst
@@ -598,7 +598,8 @@
     .. method:: load_pem_public_key(data)
 
         :param bytes data: PEM data to load.
-        :return: A new instance of the appropriate type of public key serialized data contains.
+        :return: A new instance of the appropriate type of public key
+            serialized data contains.
         :raises ValueError: If the data could not be deserialized.
 
 .. class:: TraditionalOpenSSLSerializationBackend