Fix a few (action ...) in the doc
Fix a few (action ...) in the doc

Closes #32

janestreet/jbuilder,janestreet/jbuilder,janestreet/jbuilder,dra27/jbuilder,dra27/jbuilder,dra27/jbuilder,dra27/jbuilder,janestreet/jbuilder,dra27/jbuilder,rdavison/jbuilder,janestreet/jbuilder,rdavison/jbuilder,dra27/jbuilder,janestreet/jbuilder