diff --git a/include/umb/message.hpp b/include/umb/message.hpp
index 20e258a..96b6ac1 100644
--- a/include/umb/message.hpp
+++ b/include/umb/message.hpp
@@ -40,7 +40,7 @@ class Message
      *
      * @return Serialized message bytes.
      */
-    [[nodiscard]] virtual std::vector <byte> to_bytes() const = 0;
+    [[nodiscard]] virtual std::vector<byte> to_bytes() const = 0;
 
     /**
      * Serialize message to UMB wire format. \bytes should be
@@ -50,7 +50,7 @@ class Message
      * @return true if \bytes contains valid UMB wire format
      *         bytes of this message.
      */
-    [[nodiscard]] virtual bool to_bytes(std::span <byte> bytes) const = 0;
+    [[nodiscard]] virtual bool to_bytes(std::span<byte> bytes) const = 0;
 
     /**
      * Initialize message from \bytes span containing valid
@@ -73,9 +73,7 @@ class Message
     [[nodiscard]] virtual size_t serialized_size() const = 0;
 
     // TODO: reconsider this API.
-    [[nodiscard]] constexpr virtual uint16_t
-
-    type() const
+    [[nodiscard]] constexpr virtual uint16_t type() const
 
     noexcept = 0;