Fix use of pem_read_buffer() in PK, DHM and X509
diff --git a/include/mbedtls/x509_crl.h b/include/mbedtls/x509_crl.h
index 395c1b3..7b40739 100644
--- a/include/mbedtls/x509_crl.h
+++ b/include/mbedtls/x509_crl.h
@@ -101,7 +101,7 @@
*
* \param chain points to the start of the chain
* \param buf buffer holding the CRL data in DER format
- * \param buflen size of the buffer
+ * (including the terminating null byte for PEM data)
*
* \return 0 if successful, or a specific X509 or PEM error code
*/
@@ -115,6 +115,7 @@
* \param chain points to the start of the chain
* \param buf buffer holding the CRL data in PEM or DER format
* \param buflen size of the buffer
+ * (including the terminating null byte for PEM data)
*
* \return 0 if successful, or a specific X509 or PEM error code
*/