Instruct to switch to jruby before building a war

nilbus · nilbus · commit 3fbff40d184c · 2016-05-26T21:40:27.000-04:00
diff --git a/README.md b/README.md
@@ -87,6 +87,7 @@ Deploying as a WAR file
 
 1. Generate the war file handoff.war:
 
+        rvm use jruby-1.7.19
         bin/build-war
 
     or
