- Changed text for return 0 lines
diff --git a/include/polarssl/des.h b/include/polarssl/des.h
index a655a15..04fdf67 100644
--- a/include/polarssl/des.h
+++ b/include/polarssl/des.h
@@ -107,7 +107,7 @@
* \param input 64-bit input block
* \param output 64-bit output block
*
- * \return 0
+ * \return 0 if successful
*/
int des_crypt_ecb( des_context *ctx,
const unsigned char input[8],
@@ -137,7 +137,7 @@
* \param input 64-bit input block
* \param output 64-bit output block
*
- * \return 0
+ * \return 0 if successful
*/
int des3_crypt_ecb( des3_context *ctx,
const unsigned char input[8],