diff --git a/index.json b/index.json
index 8cbe860..4fcb4fd 100644
--- a/index.json
+++ b/index.json
@@ -10,19 +10,25 @@
       "description": "Documentation only changes"
     },
     "style": {
-      "description": "Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc.)"
+      "description": "Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)"
     },
     "refactor": {
-      "description": "A code change that neither fixes a bug or adds a feature"
+      "description": "A code change that neither fixes a bug nor adds a feature"
     },
     "perf": {
       "description": "A code change that improves performance"
     },
     "test": {
-      "description": "Adding missing tests"
+      "description": "Adding missing tests or correcting existing tests"
+    },
+    "build": {
+      "description": "Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)"
+    },
+    "ci": {
+      "description": "Changes to our CI configuration files and scripts (example scopes: Travis, Circle, BrowserStack, SauceLabs)"
     },
     "chore": {
-      "description": "Changes to the build process or auxiliary tools and libraries such as documentation generation"
+      "description": "Other changes that don't modify src or test files"
     },
     "revert": {
       "description": "Reverts a previous commit"