diff --git a/articles/Extensibility/docs/development/Webhooks.md b/articles/Extensibility/docs/development/Webhooks.md
index 9117ef0..3db5ae7 100644
--- a/articles/Extensibility/docs/development/Webhooks.md
+++ b/articles/Extensibility/docs/development/Webhooks.md
@@ -24,7 +24,7 @@ Example of a `webhooks` property in the app descriptor:
   "webhooks": [
     {
       "url": "/webhooks-endpoint",
-      "evenTypes": [ 
+      "eventTypes": [ 
         { 
           "eventType": "PROJECT.TASK.ACCEPTED" 
         }, 
@@ -53,4 +53,4 @@ Webhooks are grouped in batches by callback URL, so it is likely that events fro
 
 ## Signature Validation
 
-Unlike webhooks created in the UI through the Applications, webhooks that are declared in the descriptor are received using app signature. The endpoint that receives the webhook should treat these as signed with JWS, just as any other endpoint in the app. See [Request Authentication](Request-Authentication.md) page for more details.
\ No newline at end of file
+Unlike webhooks created in the UI through the Applications, webhooks that are declared in the descriptor are received using app signature. The endpoint that receives the webhook should treat these as signed with JWS, just as any other endpoint in the app. See [Request Authentication](Request-Authentication.md) page for more details.