diff --git a/src/config/torrc.minimal.in-staging b/src/config/torrc.minimal.in-staging
index cb3adca35cb32ebd3aa1d4dc73f0339ad9b7ff2c..90bad7f7cc31b833b5307de61662640360620b37 100644
--- a/src/config/torrc.minimal.in-staging
+++ b/src/config/torrc.minimal.in-staging
@@ -88,6 +88,9 @@
 ## yourself to make this work.
 #ORPort 443 NoListen
 #ORPort 127.0.0.1:9090 NoAdvertise
+## If you want to listen on IPv6 your numeric address must be explictly
+## between square brackets as follows. You must also listen on IPv4.
+#ORPort [2001:DB8::1]:9050
 
 ## The IP address or full DNS name for incoming connections to your
 ## relay. Leave commented out and Tor will guess.
diff --git a/src/config/torrc.sample.in b/src/config/torrc.sample.in
index 9d514e6bda6506d11063585bd90415740a29f624..51e1c3af4b79f99a1cd34644496fe241b7a4772c 100644
--- a/src/config/torrc.sample.in
+++ b/src/config/torrc.sample.in
@@ -88,6 +88,9 @@
 ## yourself to make this work.
 #ORPort 443 NoListen
 #ORPort 127.0.0.1:9090 NoAdvertise
+## If you want to listen on IPv6 your numeric address must be explictly
+## between square brackets as follows. You must also listen on IPv4.
+#ORPort [2001:DB8::1]:9050
 
 ## The IP address or full DNS name for incoming connections to your
 ## relay. Leave commented out and Tor will guess.