diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index c38680b0241..17cc87489fb 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,5 +1,5 @@
 # Contribution guidelines
 
 So, you want to hack on the Istio proxy? Yay! Please refer to Istio's overall
-[contribution guidelines](https://github.com/istio/istio/blob/master/DEV-GUIDE.md)
+[contribution guidelines](https://github.com/istio/community/blob/master/CONTRIBUTING.md)
 to find out how you can help.
diff --git a/src/envoy/http/mixer/README.md b/src/envoy/http/mixer/README.md
index d4bcb57f792..efd37c73fb5 100644
--- a/src/envoy/http/mixer/README.md
+++ b/src/envoy/http/mixer/README.md
@@ -12,7 +12,7 @@ Please make sure to modify both the original one and the copy together if necess
 ## Build Mixer server
 
 * Follow https://github.com/istio/istio/blob/master/mixer/doc/running-local-mixer.md to run a Mixer server locally. 
-Follow https://github.com/istio/istio/blob/master/DEV-GUIDE.md to build Istio, which includes building Mixer server. 
+Follow https://github.com/istio/istio/wiki/Dev-Guide to build Istio, which includes building Mixer server. 
   
 ## Build Envoy proxy