diff --git a/microsoft_auth/client.py b/microsoft_auth/client.py
index 8243183d..25fcd699 100644
--- a/microsoft_auth/client.py
+++ b/microsoft_auth/client.py
@@ -151,11 +151,11 @@ def get_claims(self, allow_refresh=True):
             claims = jwt.decode(
                 token,
                 public_key,
-                algoithm="RS256",
+                algorithms=["RS256"],
                 audience=self.config.MICROSOFT_AUTH_CLIENT_ID,
             )
         except jwt.PyJWTError as e:
-            logger.warn("could verify id_token sig: {}".format(e))
+            logger.warn("could not verify id_token sig: {}".format(e))
             return None
 
         return claims