diff --git a/Exec/science/wdmerger/scaling/frontier/frontier_scaling.py b/Exec/science/wdmerger/scaling/frontier/frontier_scaling.py
index 2c5b472e70..604a06badc 100644
--- a/Exec/science/wdmerger/scaling/frontier/frontier_scaling.py
+++ b/Exec/science/wdmerger/scaling/frontier/frontier_scaling.py
@@ -40,7 +40,7 @@ def trend_line(c, t):
 c, t = trend_line(frontier_256base_nodes, frontier_256base_times)
 ax.plot(c, t, alpha=0.5, linestyle=":", color="k")
 
-ax.set_ylabel("wallclock time / step")
+ax.set_ylabel("wallclock time")
 ax.set_xlabel("number of nodes")
 
 ax.set_xscale("log")
diff --git a/Exec/science/wdmerger/scaling/frontier/frontier_wdmerger.png b/Exec/science/wdmerger/scaling/frontier/frontier_wdmerger.png
index b00c2a434b..1886d7707d 100644
Binary files a/Exec/science/wdmerger/scaling/frontier/frontier_wdmerger.png and b/Exec/science/wdmerger/scaling/frontier/frontier_wdmerger.png differ