diff --git a/env_setup.sh b/env_setup.sh
index 09b05af..af84a75 100755
--- a/env_setup.sh
+++ b/env_setup.sh
@@ -123,7 +123,10 @@ libpython3-dev ruby-dev lua5.2 liblua5.2-dev libperl-dev git
     fi
     
     #Symbolic just in case.
-    $user ln -s $DIR/share/vim/vim91 /usr/share/vim
+    $user ln -s $DIR/share/vim/vim91 /usr/share/vim || {
+        $user rm -rf /usr/share/vim
+        $user ln -s $DIR/share/vim/vim91 /usr/share/vim
+    }
 
     # Install plugin for vim-plug.
     vim +PlugInstall +qall
diff --git a/userlink.txt b/userlink.txt
index e9689af..44e622e 100644
--- a/userlink.txt
+++ b/userlink.txt
@@ -10,3 +10,7 @@ For ale:
 For YCM:
 https://github.com/ycm-core/YouCompleteMe?tab=readme-ov-file#option-2-provide-the-flags-manually
 https://github.com/ycm-core/YouCompleteMe?tab=readme-ov-file#commands
+
+
+For asciidoctor writer guide:
+https://asciidoctor.org/docs/asciidoc-writers-guide/