Fix some old names that remained
- most in doxygen doc that was never renamed
- some re-introduced in comments/doc/strings by me
diff --git a/doxygen/input/doc_x509.h b/doxygen/input/doc_x509.h
index 3798814..e242dc3 100644
--- a/doxygen/input/doc_x509.h
+++ b/doxygen/input/doc_x509.h
@@ -15,7 +15,7 @@
* \c x509parse_keyfile()).
* - X.509 certificate signature verification (see \c x509parse_verify())
* - X.509 certificate writing and certificate request writing (see
- * \c x509write_crt_der() and \c x509write_csr_der()).
+ * \c mbedtls_x509write_crt_der() and \c mbedtls_x509write_csr_der()).
*
* This module can be used to build a certificate authority (CA) chain and
* verify its signature. It is also used to generate Certificate Signing