Doc fixes

Co-Authored-By: porueesq <[email protected]>

CHANGELOG.md

@@ -11,7 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Added
 
-- Added upstream MTLS policy [THREESCALE-672](https://issues.jboss.org/browse/THREESCALE-672) [PR #1182](https://github.com/3scale/APIcast/pull/1182)
+- Added upstream Mutual TLS policy [THREESCALE-672](https://issues.jboss.org/browse/THREESCALE-672) [PR #1182](https://github.com/3scale/APIcast/pull/1182)
 - Added Rate-limit headers policy [THREESCALE-3795](https://issues.jboss.org/browse/THREESCALE-3795) [PR #1166](https://github.com/3scale/APIcast/pull/1166)
 
 ## [3.8.0] - 2020-03-24

doc/parameters.md

@@ -165,7 +165,7 @@ It can be used to first load policies from a development directory or to load ex
 
 The path to the key of the client SSL certificate.
 
-This parameter can be override by the Upstream_TLS policy.
+This parameter can be overridden by the Upstream_TLS policy.
 
 ### `APICAST_PROXY_HTTPS_CERTIFICATE`
 
@@ -177,7 +177,7 @@ The path to the client SSL certificate that APIcast will use when connecting
 with the upstream. Notice that this certificate will be used for all the
 services in the configuration.
 
-This parameter can be override by the Upstream_TLS policy.
+This parameter can be overridden by the Upstream_TLS policy.
 
 ### `APICAST_PROXY_HTTPS_PASSWORD_FILE`
 

gateway/src/apicast/policy/upstream_mtls/Readme.md

@@ -1,6 +1,6 @@
-# Upstream MTLs policy.
+# Upstream Mutual TLS policy
 
-This policy enables the MTLS policy per service, so connection to the upstream
+This policy enables the Mutual TLS policy per API, so connection to the upstream
 API will use the certificates defined in this policy.
 
 ## Configuration
@@ -39,6 +39,6 @@ When using http forms and file upload
 
 ## Additional considerations
 
-This policy will overwrite `APICAST_PROXY_HTTPS_CERTIFICATE_KEY` and
-`APICAST_PROXY_HTTPS_CERTIFICATE` values and it'll use the certificates set by
-the policy, so those ENV variables will have no effect.
+This policy overwrites `APICAST_PROXY_HTTPS_CERTIFICATE_KEY` and
+`APICAST_PROXY_HTTPS_CERTIFICATE` values and it uses the certificates set by
+the policy, so those environment variables will have no effect.

gateway/src/apicast/policy/upstream_mtls/upstream_mtls.lua

@@ -104,7 +104,7 @@ end
 function _M.set_certs(cert, key)
   local r = get_request()
   if not r then
-    ngx.log(ngx.ERR, "No valid request")
+    ngx.log(ngx.ERR, "Invalid request")
     return
   end