Make the 'get templates' types deprecation message consistent. (#38532)

server/src/main/java/org/elasticsearch/rest/action/admin/indices/RestGetIndexTemplateAction.java

@@ -51,9 +51,10 @@ public class RestGetIndexTemplateAction extends BaseRestHandler {
         Collections.singleton(INCLUDE_TYPE_NAME_PARAMETER), Settings.FORMAT_PARAMS));
     private static final DeprecationLogger deprecationLogger = new DeprecationLogger(
             LogManager.getLogger(RestGetIndexTemplateAction.class));
-    public static final String TYPES_DEPRECATION_MESSAGE = "[types removal] The response format of get index template requests will change"
-            + " in the next major version. Please start using the `include_type_name` parameter set to `false` in the request to "
-            + "move to the new, typeless response format that will be the default in 7.0.";
+    public static final String TYPES_DEPRECATION_MESSAGE = "[types removal] The response format of get index " +
+        "template requests will change in 7.0. Please start using the include_type_name parameter set to false " +
+        "to move to the new, typeless response format that will become the default.";
+
     public RestGetIndexTemplateAction(final Settings settings, final RestController controller) {
         super(settings);
         controller.registerHandler(GET, "/_template", this);