diff --git a/src/post_modules/Nettle/nettle.cmod b/src/post_modules/Nettle/nettle.cmod
index cc79f86a28375f8974b14d64b07abbb0fbe8f507..4a4b31382733fa8e01ac113d533713c28fb05f1d 100644
--- a/src/post_modules/Nettle/nettle.cmod
+++ b/src/post_modules/Nettle/nettle.cmod
@@ -275,7 +275,7 @@ PIKECLASS Yarrow
 /*! @endclass
  */
 
-/*! @decl string(0..127) crypt_md5(string password, string salt,
+/*! @decl string(0..127) crypt_md5(string password, string salt,@
  *!                                void|string magic)
  *! Does the crypt_md5 abrakadabra (MD5 + snakeoil).
  *! It is assumed that @[salt] does not contain "$".