diff --git a/README.md b/README.md
index 2dc6279..c993d69 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 This is a [Visual Studio Code](https://code.visualstudio.com/) extension for the NOME3 language used for **3D-computer-aided-design** on the **[JIPCAD](https://jipcad.github.io/docs/)** software, supervised by Prof. Carlo Sequin and developed by the JIPCAD group. The extension can be installed from the [Visual Studio Marketplace](https://marketplace.visualstudio.com/items?itemName=AaronZheng.nome).
 
-This extension supports files with both the (.nom, .jipcad $*$) endings.
+This extension supports files with the (.nom, .jip, .jipcad $*$) endings.
 Enjoy!
 
 ## Features
diff --git a/package.json b/package.json
index c28f2d3..0d4e39f 100644
--- a/package.json
+++ b/package.json
@@ -67,6 +67,7 @@
         ],
         "extensions": [
           ".nom",
+          ".jip",
           ".jipcad"
         ],
         "configuration": "./language-configuration.json"