diff --git a/Dockerfile.rhel9 b/Dockerfile.rhel9
index 1191db9..ce91151 100644
--- a/Dockerfile.rhel9
+++ b/Dockerfile.rhel9
@@ -1,6 +1,6 @@
 # The func binary is built and productized separately from its own rhel9 build
-# (see knative.dev/func/Dockerfile.func.rhel9); pull it from that image instead
-# of building it from source here.
+# (see https://github.com/openshift/functions/blob/main/Dockerfile.func.rhel9);
+# pull it from that image instead of building it from source here.
 ARG FUNC_CLI_IMG=quay.io/redhat-user-workloads/ocp-serverless-tenant/functions-func@sha256:f15e7d77502b423c0b7b421305165160273dc2a0b24e30d3248ff9b9e37f12df
 
 # Build the manager binary