Make comment more accurate

lib/ember-plugins.js

@@ -162,18 +162,17 @@ function _getModuleResolutionPlugins(config) {
 function _getProposalDecoratorsAndClassPlugins(config) {
   if (!config.shouldIgnoreDecoratorAndClassPlugins) {
     return [
-/**
-  * Required for apps to use `@ember/template-compliation`
-  * for transforming templates from babel-plugin-ember-template-compilation
-  * which shipped in ember-cli-htmlbars 6.2
-  *
-  * Normally this plugin wouldn't be required because the feature has shipped
-  * in all browsers, but because we have really old plugins, they do not
-  * support parsing the static block syntax, so we need to compile it away
-  * when using plugin-proposal-class-properties, which is required
-  * when using non-spec decorators.
-  */
-    "@babel/plugin-transform-class-static-block",
+    /**
+      * Required for apps to use `@ember/template-compliation`
+      * for transforming templates from babel-plugin-ember-template-compilation
+      * which shipped in ember-cli-htmlbars 6.2
+      *
+      * Normally this plugin wouldn't be required because the feature has shipped
+      * in all browsers, but because we have legacy decorators, and
+      * legacy decorators do not support parsing the static block syntax,
+      * we need to compile it away.
+      */
+      ["@babel/plugin-transform-class-static-block"],
       ["@babel/plugin-proposal-decorators", { legacy: true }],
       ["@babel/plugin-proposal-class-properties"],
     ];