diff --git a/language/en.yml b/language/en.yml
index 17ac67a9..0eeb1ecb 100644
--- a/language/en.yml
+++ b/language/en.yml
@@ -517,8 +517,8 @@ tools:
   docker: "We provide multiple docker images for continuous integrating and hosting the history components."
   eslint: "ESLint is the core of our continuous integration. It is used to prevent us from writing bad code or code not sticking to our standards."
   chai: "Chai is one of the default tools for testing we use across all libraries and project parts."
-  mocha: "Chai is one of the default tools for testing we use across all libraries and project parts."
-  cypress: "Chai is one of the default tools for testing we use across all libraries and project parts."
+  mocha: "Mocha is one of the default tools for testing we use across all libraries and project parts."
+  cypress: "Cypress is one of the default tools for testing we use across all libraries and project parts."
   stylelint: "Stylelint is our tool of choice for making sure we don't mess up too much when writing styles."
   markmap-render: "Markmap is the base that we built on for our mindmap, it serves as the drawing component."
   vue: "Vue powers the desktop client for running framework tests locally."