style: cosmetic fix for code style

apps/emqx_modules/src/emqx_topic_metrics_api.erl

@@ -238,11 +238,9 @@ fields(metrics) ->
             NKey = binary_to_atom(list_to_binary(Str), utf8),
             ?DESC(NKey)
         end,
-    [{Key, mk(integer(), #{desc => ToDesc(Key), example => 0})} || Key <- Integers]
+    [{Key, mk(integer(), #{desc => ToDesc(Key), example => 0})} || Key <- Integers] ++
-    ++
         [{Key, mk(number(), #{desc => ToDesc(Key), example => 0})} || Key <- Numbers].
 
-
 topic(In) ->
     Desc =
         case In of

lib-ee/emqx_license/include/emqx_license.hrl

@@ -11,7 +11,7 @@
     "\n"
     "========================================================================\n"
     "Using an evaluation license limited to ~p concurrent connections.\n"
-    "Apply a license at https://emqx.com/apply-licenses/emqx.\n"
+    "Apply for a license at https://emqx.com/apply-licenses/emqx.\n"
     "Or contact EMQ customer services.\n"
     "========================================================================\n"
 ).
@@ -20,7 +20,7 @@
     "\n"
     "========================================================================\n"
     "License has been expired for ~p days.\n"
-    "Apply a new license at https://emqx.com/apply-licenses/emqx.\n"
+    "Apply for a new license at https://emqx.com/apply-licenses/emqx.\n"
     "Or contact EMQ customer services.\n"
     "========================================================================\n"
 ).

lib-ee/emqx_license/src/emqx_license_checker.erl

@@ -11,7 +11,16 @@
 
 -define(CHECK_INTERVAL, 5000).
 -define(EXPIRY_ALARM_CHECK_INTERVAL, 24 * 60 * 60).
--define(OK(EXPR), try _ = begin EXPR end, ok catch _:_ -> ok end).
+-define(OK(EXPR),
+    try
+        _ = begin
+            EXPR
+        end,
+        ok
+    catch
+        _:_ -> ok
+    end
+).
 
 -export([
     start_link/1,