Merge pull request #50 from justinclayton/patch-1

fix description on location of plugins.sh
diff --git a/plugins.sh b/plugins.sh
index e0df32b..f4193b3 100755
--- a/plugins.sh
+++ b/plugins.sh
@@ -5,7 +5,7 @@
 # 
 # FROM jenkins
 # COPY plugins.txt /plugins.txt
-# RUN /usr/share/jenkins/plugins.sh /plugins.txt
+# RUN /usr/local/bin/plugins.sh /plugins.txt
 # 
 
 REF=/usr/share/jenkins/ref/plugins