chore: fix spelling (#3958)

docs/en/latest/FAQ.md

@@ -72,7 +72,7 @@ For the first problem, you can use https_proxy or use the `--server` option to s
 Run the `luarocks config rocks_servers` command(this command is supported after luarocks 3.0) to see which server are available.
 For China mainland users, you can use the `luarocks.cn` as the luarocks server.
 
-We already provide a wrapper in the Makefile to simpify your job:
+We already provide a wrapper in the Makefile to simplify your job:
 
 ```bash
 LUAROCKS_SERVER=https://luarocks.cn make deps

t/cli/test_validate_config.sh

@@ -63,9 +63,9 @@ apisix:
 
 out=$(make run 2>&1 || echo "ouch")
 if echo "$out" | grep 'ouch'; then
-    echo "failed: allow configurating address in stream_proxy"
+    echo "failed: allow configuring address in stream_proxy"
     exit 1
 fi
 make stop
 
-echo "passed: allow configurating address in stream_proxy"
+echo "passed: allow configuring address in stream_proxy"

t/control/discovery.t

@@ -106,7 +106,7 @@ GET /t
                     "services": {}
                 }]]
                 )
-            ngx.satus = code
+            ngx.status = code
             ngx.say(body)
         }
     }