diff --git a/packages/plugins/ui-theme/src/i18n/crowdin/ui.json b/packages/plugins/ui-theme/src/i18n/crowdin/ui.json
index 088361912..739359de5 100644
--- a/packages/plugins/ui-theme/src/i18n/crowdin/ui.json
+++ b/packages/plugins/ui-theme/src/i18n/crowdin/ui.json
@@ -183,7 +183,7 @@
     "title": "Package Managers",
     "description": "This is the configuration details for the registry. Each package manager could have different configuration, expand each section for more details. If the section is disable review your configuration.",
     "yarnclassicDetails": "Yarn classic configuration differs from Yarn 2+ configuration. For more details, please visit [Yarn Classic](https://verdaccio.org/docs/cli-registry#yarn-1x).",
-    "yarnBerryDetails": "Yarn Berry does not support the `--registry` flag, instead all configurarion should be defined on the `yarnrc.yalm` file in the root of your project. For more details, please visit [Yarn Berry](https://verdaccio.org/docs/cli-registry#yarn-berry-2x)."
+    "yarnBerryDetails": "Yarn Berry does not support the `--registry` flag, instead all configurarion should be defined on the `yarnrc.yaml` file in the root of your project. For more details, please visit [Yarn Berry](https://verdaccio.org/docs/cli-registry#yarn-berry-2x)."
   },
   "language": {
     "title": "Translations",
diff --git a/packages/plugins/ui-theme/tools/verdaccio.js b/packages/plugins/ui-theme/tools/verdaccio.js
index a1b3b01d2..19090f339 100644
--- a/packages/plugins/ui-theme/tools/verdaccio.js
+++ b/packages/plugins/ui-theme/tools/verdaccio.js
@@ -1,14 +1,14 @@
 const fs = require('fs');
 const path = require('path');
 
-const yalm = require('js-yaml');
+const yaml = require('js-yaml');
 const startServer = require('verdaccio').default;
 
 const storageLocation = path.join(__dirname, '../partials/storage');
 const pluginsLocation = path.join(__dirname, '../partials/plugins');
 const configJsonFormat = Object.assign(
   {},
-  yalm.safeLoad(fs.readFileSync('./tools/_verdaccio.config.yaml', 'utf8')),
+  yaml.safeLoad(fs.readFileSync('./tools/_verdaccio.config.yaml', 'utf8')),
   {
     storage: storageLocation,
     plugins: pluginsLocation,
diff --git a/packages/plugins/ui-theme/tools/webpack.dev.config.babel.js b/packages/plugins/ui-theme/tools/webpack.dev.config.babel.js
index e2f093a06..fab47a8b0 100644
--- a/packages/plugins/ui-theme/tools/webpack.dev.config.babel.js
+++ b/packages/plugins/ui-theme/tools/webpack.dev.config.babel.js
@@ -1,7 +1,7 @@
 import FriendlyErrorsPlugin from 'friendly-errors-webpack-plugin';
 import fs from 'fs';
 import HTMLWebpackPlugin from 'html-webpack-plugin';
-import yalm from 'js-yaml';
+import yaml from 'js-yaml';
 import StyleLintPlugin from 'stylelint-webpack-plugin';
 import webpack from 'webpack';
 
@@ -9,7 +9,7 @@ import env from '../config/env';
 import getPackageJson from './getPackageJson';
 import baseConfig from './webpack.config';
 
-const configJsonFormat = yalm.safeLoad(fs.readFileSync('./tools/_verdaccio.config.yaml', 'utf8'));
+const configJsonFormat = yaml.safeLoad(fs.readFileSync('./tools/_verdaccio.config.yaml', 'utf8'));
 export default {
   ...baseConfig,
   mode: 'development',