Update mTLS documentation

Author: pintsized

README.md

@@ -19,6 +19,7 @@ Production ready.
 * Request pipelining
 * Trailers
 * HTTP proxy connections
+* mTLS (requires `ngx_lua_http_module` >= v0.10.23)
 
 
 ## API
@@ -176,6 +177,8 @@ The options table has the following fields:
 * `ssl_verify`: option as per [OpenResty docs](https://github.com/openresty/lua-nginx-module#tcpsocksslhandshake), except that it defaults to `true`.
 * `ssl_server_name`: option as per [OpenResty docs](https://github.com/openresty/lua-nginx-module#tcpsocksslhandshake)
 * `ssl_send_status_req`: option as per [OpenResty docs](https://github.com/openresty/lua-nginx-module#tcpsocksslhandshake)
+* `ssl_client_cert`: will be passed to `tcpsock:setclientcert`. Requires `ngx_lua_http_module` >= v0.10.23.
+* `ssl_client_priv_key`: as above.
 
 ## set\_timeout
 

lib/resty/http_connect.lua

@@ -30,16 +30,8 @@ client:connect {
     ssl_verify = true,      -- NOTE: defaults to true
     ctx = nil,              -- NOTE: not supported
 
-    -- mTLS options (experimental!)
-    --
-    -- !!! IMPORTANT !!! These options require support for mTLS in cosockets,
-    -- which is currently only available in the following unmerged PRs.
-    --
-    -- * https://github.com/openresty/lua-nginx-module/pull/1602
-    -- * https://github.com/openresty/lua-resty-core/pull/278
-    --
-    -- The details of this feature may change. You have been warned!
-    --
+    -- mTLS options: These require support for mTLS in cosockets, which first
+    -- appeared in `ngx_http_lua_module` v0.10.23.
     ssl_client_cert = nil,
     ssl_client_priv_key = nil,