diff --git a/vapi/posix.vapi b/vapi/posix.vapi
index d39e394..c7a1d3a 100644
--- a/vapi/posix.vapi
+++ b/vapi/posix.vapi
@@ -1916,10 +1916,12 @@ 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);
