diff --git a/docs/images/pipe.graphml b/docs/images/pipe.graphml
index 803d575d..44390f8d 100644
--- a/docs/images/pipe.graphml
+++ b/docs/images/pipe.graphml
@@ -232,7 +232,7 @@
- rack11b
+ rack11c
diff --git a/docs/images/pipe.png b/docs/images/pipe.png
index 6e357fb1..3d674273 100644
Binary files a/docs/images/pipe.png and b/docs/images/pipe.png differ
diff --git a/docs/images/topogit.graphml b/docs/images/topogit.graphml
index 42357248..96ae739d 100644
--- a/docs/images/topogit.graphml
+++ b/docs/images/topogit.graphml
@@ -360,7 +360,7 @@
- rack11b
+ rack11c