Updated documentation for seed functions w.r.t. return values
diff --git a/include/polarssl/ctr_drbg.h b/include/polarssl/ctr_drbg.h
index 5a26cde..d5459d9 100644
--- a/include/polarssl/ctr_drbg.h
+++ b/include/polarssl/ctr_drbg.h
@@ -199,7 +199,8 @@
*
* \param path Name of the file
*
- * \return 0 if successful, 1 on file error, or
+ * \return 0 if successful,
+ * POLARSSL_ERR_CTR_DRBG_FILE_IO_ERROR on file error, or
* POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED
*/
int ctr_drbg_write_seed_file( ctr_drbg_context *ctx, const char *path );
@@ -210,7 +211,8 @@
*
* \param path Name of the file
*
- * \return 0 if successful, 1 on file error,
+ * \return 0 if successful,
+ * POLARSSL_ERR_CTR_DRBG_FILE_IO_ERROR on file error,
* POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED or
* POLARSSL_ERR_CTR_DRBG_INPUT_TOO_BIG
*/