diff --git a/docs/hazmat/primitives/interfaces.rst b/docs/hazmat/primitives/interfaces.rst
index 0998a0c..e4e007c 100644
--- a/docs/hazmat/primitives/interfaces.rst
+++ b/docs/hazmat/primitives/interfaces.rst
@@ -504,7 +504,7 @@
     `EdDSA`_.
 
     .. classmethod:: signer(signature_algorithm)
-        
+
         Sign data which can be verified later by others using the public key.
 
         :param signature_algorithm: An instance of a
@@ -534,7 +534,7 @@
     An elliptic curve public key.
 
     .. classmethod:: verifier(signer, signature_algorithm)
-        
+
         Verify data was signed by the private key associated with this public
         key.