diff --git a/doc/source/reference/scheduling.rst b/doc/source/reference/scheduling.rst
index da532af13b..f4631535f2 100644
--- a/doc/source/reference/scheduling.rst
+++ b/doc/source/reference/scheduling.rst
@@ -33,27 +33,23 @@ The scheduling process is described below.
 
         lane conductor {
             label = "Conductor";
-            build-spec [label = "Build request spec object"];
-            send-spec [label = "Submit request spec to scheduler"];
-            send-hosts [label = "Submit list of suitable hosts to target cell"];
+            build-spec [label = "Build request spec object", height = 38];
+            send-spec [label = "Submit request spec to scheduler", height = 38];
+            send-hosts [label = "Submit list of suitable hosts to target cell", height = 51];
         }
 
         lane scheduler {
             label = "Scheduler";
-            send-reqs [label = "Submit resource requirements to placement"];
-            create [label = "Create a HostState object for each RP returned
-              from Placement"];
-            filter [label = "Filter and weigh results"];
-            return-hosts [label = "Return a list of selected host +
-              alternates, along with their allocations, to the conductor"];
+            send-reqs [label = "Submit resource requirements to placement", height = 38];
+            create [label = "Create a HostState object for each RP returned from Placement", height = 64];
+            filter [label = "Filter and weigh results", height = 38];
+            return-hosts [label = "Return a list of selected host & alternates, along with their allocations, to the conductor", height = 89];
         }
 
         lane placement {
             label = "Placement";
-            query [label = "Query to determine the RPs representing compute
-              nodes to satisfy requirements"];
-            return-rps [label = "Return list of resource providers and their
-              corresponding allocations to scheduler"];
+            query [label = "Query to determine the RPs representing compute nodes to satisfy requirements", height = 64];
+            return-rps [label = "Return list of resource providers and their corresponding allocations to scheduler", height = 89];
         }
     }