diff --git a/doxygen/input/doc_hashing.h b/doxygen/input/doc_hashing.h
index 95fb887..38f8e81 100644
--- a/doxygen/input/doc_hashing.h
+++ b/doxygen/input/doc_hashing.h
@@ -5,16 +5,20 @@
 
 /**
  * @addtogroup hashing_module Hashing module
- * 
+ *
  * The Hashing module provides one-way hashing functions. Such functions can be
- * used for creating a hash message authentication code (HMAC) when sending a 
+ * used for creating a hash message authentication code (HMAC) when sending a
  * message. Such a HMAC can be used in combination with a private key
- * for authentication, which is a message integrity control. 
+ * for authentication, which is a message integrity control.
+ *
+ * All hash algorithms can be accessed via the generic MD layer (see
+ * \c md_init_ctx())
+ *
  * The following hashing-algorithms are provided:
- * - MD2, MD4, MD5 128-bit one-way hash functions by Ron Rivest (see 
+ * - MD2, MD4, MD5 128-bit one-way hash functions by Ron Rivest (see
  *   \c md2_hmac(), \c md4_hmac() and \c md5_hmac()).
- * - SHA-1, SHA-256, SHA-384/512 160-bit or more one-way hash functions by 
- *   NIST and NSA (see\c sha1_hmac(), \c sha2_hmac() and \c sha4_hmac()).
+ * - SHA-1, SHA-256, SHA-384/512 160-bit or more one-way hash functions by
+ *   NIST and NSA (see\c sha1_hmac(), \c sha256_hmac() and \c sha512_hmac()).
  *
  * This module provides one-way hashing which can be used for authentication.
  */