update README

sikang · sikang · commit 9e7ccb7b2056 · 2017-12-13T16:36:24.000-05:00
diff --git a/README.md b/README.md
@@ -18,6 +18,7 @@ On GUI:
 Examples:
 ------------------
 <img src="./samples/gui.png" height="256"> | <img src="./samples/plot.png" height="256">
+:----:|:----:
 *GUI* | *Saved `plot.png`*
 
 
