diff --git a/site/proxy.md b/site/proxy.md
index 2482d861..27bca6c8 100644
--- a/site/proxy.md
+++ b/site/proxy.md
@@ -54,7 +54,7 @@ or, equivalently with
 
 Multiple IP addresses and networks can be supplied in the `WEAVE_CIDR`
 variable by space-separating them, as in
-`WEAVE_CIDR=10.2.1.1/24 10.2.2.1/24`.
+`WEAVE_CIDR="10.2.1.1/24 10.2.2.1/24"`.
 
 ## Usage with WeaveDNS