INTERNALS.md: fix subsection depth and link

The Kerberos subsection was mistakenly a subsubsection under FTP, and
the curlx subsection was missing an anchor for the TOC link.

Closes #3529
Reviewed-by: Daniel Stenberg <daniel@haxx.se>

diff --git a/docs/INTERNALS.md b/docs/INTERNALS.md
index 1633e59fff4695aa335e044aca0683494b40c2de..69b92d4e2f6c72da38dc5030fe98b7af22a51d4e 100644 (file)
--- a/docs/INTERNALS.md
+++ b/docs/INTERNALS.md
@@ -314,7 +314,7 @@ FTP
 
 <a name="kerberos"></a>
 Kerberos
---------
+========
 
  Kerberos support is mainly in lib/krb5.c and lib/security.c but also
  `curl_sasl_sspi.c` and `curl_sasl_gssapi.c` for the email protocols and
@@ -590,6 +590,7 @@ Asynchronous name resolves
  options that end with LARGE. The type is 64bit large on most modern
  platforms.
 
+<a name="curlx"></a>
 curlx
 =====