diff --git a/README.md b/README.md
index dc52742..11fe760 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ style.
 |        Apotea         |                [Install](https://raw.githubusercontent.com/aruncveli/userstyles/refs/heads/main/sites/apotea/apotea.user.css)                |        [Info](sites/apotea)         |
 |         SMHI          |                               [Install](https://github.com/aruncveli/userstyles/raw/main/smhi/smhi.user.styl)                                |            [Info](smhi)             |
 | Trafikinformation tåg | [Install](https://raw.githubusercontent.com/aruncveli/userstyles/refs/heads/main/sites/trafikinformation-tåg/trafikinformation-tåg.user.css) | [Info](sites/trafikinformation-tåg) |
-|       npm Docs        |             [Install](https://raw.githubusercontent.com/aruncveli/userstyles/refs/heads/main/sites/npm-docs/npm-docs.user.styl)              |       [Info](sites/npm-docs)        |
+|       npm Docs        |              [Install](https://raw.githubusercontent.com/aruncveli/userstyles/refs/heads/main/sites/npm-docs/npm-docs.user.css)              |       [Info](sites/npm-docs)        |
 |          npm          |                   [Install](https://raw.githubusercontent.com/aruncveli/userstyles/refs/heads/main/sites/npm/npm.user.css)                   |          [Info](sites/npm)          |
 |        YouGov         |                             [Install](https://github.com/aruncveli/userstyles/raw/main/yougov/yougov.user.styl)                              |           [Info](yougov)            |
 |        AWS CDK        |               [Install](https://raw.githubusercontent.com/aruncveli/userstyles/refs/heads/main/sites/aws-cdk/aws-cdk.user.css)               |        [Info](sites/aws-cdk)        |
diff --git a/sites/npm-docs/README.md b/sites/npm-docs/README.md
index c57f036..77fa82d 100644
--- a/sites/npm-docs/README.md
+++ b/sites/npm-docs/README.md
@@ -1,5 +1,5 @@
 # npm Docs Dark
 
-[Install](https://raw.githubusercontent.com/aruncveli/userstyles/refs/heads/main/sites/npm-docs/npm-docs.user.styl)
+[Install](https://raw.githubusercontent.com/aruncveli/userstyles/refs/heads/main/sites/npm-docs/npm-docs.user.css)
 
 ![Screenshot of page](screenshot.png)
diff --git a/sites/npm-docs/npm-docs.user.css b/sites/npm-docs/npm-docs.user.css
index 99b217d..5d7ac9b 100644
--- a/sites/npm-docs/npm-docs.user.css
+++ b/sites/npm-docs/npm-docs.user.css
@@ -6,7 +6,7 @@
 @author         Arun Chandanaveli <aruncveli@gmail.com> (https://github.com/aruncveli)
 @homepageURL    https://github.com/aruncveli/userstyles
 @supportURL     https://github.com/aruncveli/userstyles/issues
-@updateURL      https://raw.githubusercontent.com/aruncveli/userstyles/refs/heads/main/sites/npm-docs/npm-docs.user.styl
+@updateURL      https://raw.githubusercontent.com/aruncveli/userstyles/refs/heads/main/sites/npm-docs/npm-docs.user.css
 @license        MIT
 @preprocessor   default
 @var color fg "Foreground" white