--- a/vapi/posix.vapi
+++ b/vapi/posix.vapi
@@ -1916,10 +1916,11 @@ namespace Posix {
        [Deprecated (since = "POSIX.2", replacement = "termios ECHO flag")]
        [CCode (cheader_filename = "unistd.h")]
        public unowned string getpass (string promt);
-       /** To expose Posix crypt() GNU's libc and others require the feature test
-        *  macro _XOPEN_SOURCE to be defined. See man 3 crypt
-        *  A VAPI is unable to define and emit this macro before all include files
-        *  Instead use valac -X -D_XOPEN_SOURCE
+       /**
+        * To expose Posix crypt() GNU's libc and others require the feature test
+        * macro _XOPEN_SOURCE to be defined. See man 3 crypt
+        * A VAPI is unable to define and emit this macro before all include files
+        * Instead use valac -X -D_XOPEN_SOURCE
         */
        [CCode (cheader_filename = "unistd.h")]
        public unowned string crypt (string key, string salt);
