diff --git a/DEV_ENVIRONMENT.md b/DEV_ENVIRONMENT.md
index 2166b2ceb..2f3644959 100644
--- a/DEV_ENVIRONMENT.md
+++ b/DEV_ENVIRONMENT.md
@@ -2,13 +2,14 @@
 
 ## Desktop app and Flipper Plugins (Javascript)
 
-The flipper desktop source uses Flow and ESLint. Feel free to use your preferred setup, but this is our recommended approach:
+The flipper desktop source uses Flow, TypeScript, and ESLint. Feel free to use your preferred setup, but this is our recommended approach:
 
 **Editor**: Visual Studio Code
 
 **Installed Extensions**:
  * ESLint
  * Flow Language Support
+ * TypeScript and JavaScript Language Features (enabled by default)
  
 **Settings**:
 ```json