diff --git a/sha1.cpp b/sha1.cpp
index 432aeef..a529ae8 100644
--- a/sha1.cpp
+++ b/sha1.cpp
@@ -252,4 +252,4 @@ namespace hmac_hash {
         }
         return std::string(buf, (2 * hmac_hash::SHA1::DIGEST_SIZE));
     }
-}
\ No newline at end of file
+}