style: fix wording

Co-authored-by: Thales Macedo Garitezi <thalesmg@gmail.com>

apps/emqx_utils/README.md

@@ -1,10 +1,10 @@
-# emqx_utils - Erlang utility library for EMQ X
+# Erlang utility library for EMQX
 
 ## Overview
 
-`emqx_utils` is a collection of utility functions for EMQ X, organized into
+`emqx_utils` is a collection of utility functions for EMQX, organized into
 several modules. It provides various functionalities to make it easier to work
-with EMQ X, such as binary manipulations, maps, JSON en- and decoding, ets table
+with EMQX, such as binary manipulations, maps, JSON en- and decoding, ets table
 handling, data conversions, and more.
 
 ## Features

apps/emqx_utils/src/emqx_utils.app.src

@@ -1,6 +1,6 @@
 %% -*- mode: erlang -*-
 {application, emqx_utils, [
-    {description, "An OTP application"},
+    {description, "Miscellaneous utilities for EMQX apps"},
     % strict semver, bump manually!
     {vsn, "5.0.0"},
     {modules, [