Simplify password check in pem_read_buffer()
diff --git a/include/polarssl/pem.h b/include/polarssl/pem.h
index 782b235..cc6cba1 100644
--- a/include/polarssl/pem.h
+++ b/include/polarssl/pem.h
@@ -84,8 +84,9 @@
* POLARSSL_ERR_PEM_NO_HEADER_FOOTER_PRESENT, use_len is
* the length to skip)
*
- * \note Checks password correctness by verifying if the decrypted
- * text looks like a RSAPrivateKey or ECPrivateKey structure
+ * \note Attempts to check password correctness by verifying if
+ * the decrypted text starts with an ASN.1 sequence of
+ * appropriate length
*
* \return 0 on success, ior a specific PEM error code
*/