README.md: close code quote

jgarzik · jgarzik · commit 3e31dcffbe6d · 2017-05-02T22:46:33.000-04:00
diff --git a/README.md b/README.md
@@ -21,7 +21,7 @@ file provided with GNU autotools.
 
 ```$ ./autogen.sh
 $ ./configure
-$ make
+$ make```
 
 ## Design
 
