diff --git a/library/bignum.c b/library/bignum.c
index f2a49ec..94e8eb3 100644
--- a/library/bignum.c
+++ b/library/bignum.c
@@ -1212,10 +1212,6 @@
 
 /*
  * Division by int: A = Q * b + R
- *
- * Returns 0 if successful
- *         1 if memory allocation failed
- *         POLARSSL_ERR_MPI_DIVISION_BY_ZERO if b == 0
  */
 int mpi_div_int( mpi *Q, mpi *R, const mpi *A, t_sint b )
 {
diff --git a/library/error.c b/library/error.c
index a5eaaba..03abc32 100644
--- a/library/error.c
+++ b/library/error.c
@@ -1,7 +1,7 @@
 /*
  *  Error message information
  *
- *  Copyright (C) 2006-2010, Brainspark B.V.
+ *  Copyright (C) 2006-2012, Brainspark B.V.
  *
  *  This file is part of PolarSSL (http://www.polarssl.org)
  *  Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
@@ -553,4 +553,4 @@
     snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret );
 }
 
-#endif /* POLARSSL_VERBOSE_ERROR */
+#endif /* POLARSSL_ERROR_C */
diff --git a/library/x509parse.c b/library/x509parse.c
index d7bfc05..c564511 100644
--- a/library/x509parse.c
+++ b/library/x509parse.c
@@ -2984,8 +2984,6 @@
 
 /*
  * Wrapper for x509 hashes.
- *
- * \param out   Buffer to receive the hash (Should be at least 64 bytes)
  */
 static void x509_hash( const unsigned char *in, size_t len, int alg,
                        unsigned char *out )
diff --git a/library/x509write.c b/library/x509write.c
index 400ffa0..9f5a910 100644
--- a/library/x509write.c
+++ b/library/x509write.c
@@ -146,8 +146,6 @@
 
 /*
  * Wrapper for x509 hashes.
- *
- * \param out   Buffer to receive the hash (Should be at least 64 bytes)
  */
 static void x509_hash( const unsigned char *in, size_t len, int alg,
                        unsigned char *out )