@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2008 - 2009
+ * Copyright (c) 2008 - 2010
  *   Jonathan Schleifer <js@webkeks.org>
  *
  * All rights reserved.
  *
  * This file is part of ObjFW. It may be distributed under the terms of the
@@ -279,14 +279,16 @@
 	w = OF_ROL(w, 30);
 #define R4(v, w, x, y, z, i)						\
 	z += (w ^ x ^ y) + blk(i) + 0xCA62C1D6 + OF_ROL(v, 5);		\
 	w = OF_ROL(w, 30);
 
+/// \cond internal
 typedef union {
 	char	 c[64];
 	uint32_t l[16];
 } sha1_c64l16_t;
+/// \endcond
 
 static inline void
 sha1_transform(uint32_t state[5], const char buffer[64])
 {
 	uint32_t      a, b, c, d, e;