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-rw-r--r--docs/INTERNALS.md2
1 files changed, 2 insertions, 0 deletions
diff --git a/docs/INTERNALS.md b/docs/INTERNALS.md
index 11ca33e50..02ac0d0a7 100644
--- a/docs/INTERNALS.md
+++ b/docs/INTERNALS.md
@@ -1024,6 +1024,8 @@ for older and later versions as things don't change drastically that often.
`->readwrite` gets called during transfer to allow the protocol to do extra
reads/writes
+ `->attach` attaches a transfer to the connection.
+
`->defport` is the default report TCP or UDP port this protocol uses
`->protocol` is one or more bits in the `CURLPROTO_*` set. The SSL versions