vim-javacomplete vimdoc.install fix

diff --git a/vimdoc.install b/vimdoc.install
index 5246e5c..acd42ec 100755
--- a/vimdoc.install
+++ b/vimdoc.install
@@ -1,7 +1,7 @@
 post_install() {
     echo -n "Updating vim help tags..."
     /usr/bin/vim --noplugins -u NONE -U NONE \
-        --cmd ":helptags /usr/share/vim/doc" --cmd ":q" > /dev/null 2>&1
+        --cmd ":helptags /usr/share/vim/vim72/doc" --cmd ":q" > /dev/null 2>&1
     echo "done."
 }