diff --git a/include/zmq_utils.h b/include/zmq_utils.h
index bd1486c0..f10b6a20 100644
--- a/include/zmq_utils.h
+++ b/include/zmq_utils.h
@@ -61,16 +61,16 @@ extern "C" {
 #   endif
 #endif
 
-/* These functions are documented by man pages                                */
+/*  These functions are documented by man pages                               */
 
-/* Encode data with Z85 encoding. Returns encoded data                        */
+/*  Encode data with Z85 encoding. Returns encoded data                       */
 ZMQ_EXPORT char *zmq_z85_encode (char *dest, uint8_t *data, size_t size);
 
-/* Decode data with Z85 encoding. Returns decoded data                        */
+/*  Decode data with Z85 encoding. Returns decoded data                       */
 ZMQ_EXPORT uint8_t *zmq_z85_decode (uint8_t *dest, char *string);
 
-/* Generate z85-encoded public and private keypair with libsodium.            */
-/* Returns 0 on success.                                                      */
+/*  Generate z85-encoded public and private keypair with libsodium.           */
+/*  Returns 0 on success.                                                     */
 ZMQ_EXPORT int zmq_curve_keypair (char *z85_public_key, char *z85_secret_key);
 
 typedef void (zmq_thread_fn) (void*);