diff --git a/README.md b/README.md
index 40ce5be..901da50 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ python calibrate_plot.py ~/temp/p_ac_3_oa/60/2 p_ac.yml 60
 `python plot_seq.py ~/temp/p_ac_3_od/60 p_ac.yml 12`
 
 
-![Multi Plot 1](doc/multi_plot.svg)
+![Multi Plot 1](doc/multi_plot.png)
 
 plot_seq.py `do_td_multi_plot(inDir,cfg.analysisArgs,[(36,4), (48,2)] )`
 
diff --git a/doc/multi_plot.png b/doc/multi_plot.png
new file mode 100644
index 0000000..0e010f2
Binary files /dev/null and b/doc/multi_plot.png differ