diff --git a/.vim/plugin/cscope_plus.vim b/.vim/plugin/cscope_plus.vim
index 0397093..ea782f5 100644
--- a/.vim/plugin/cscope_plus.vim
+++ b/.vim/plugin/cscope_plus.vim
@@ -87,19 +87,19 @@ endif
 "        --c++-kinds=+p  : Adds prototypes in the database for C/C++ files.
 "        --fields=+iaS   : Adds inheritance (i), access (a) and function 
 "                          signatures (S) information.
-"        --extras=+q      : Adds context to the tag name. Note: Without this
+"        --extra=+q      : Adds context to the tag name. Note: Without this
 "                          option, the script cannot get class members.
 let g:build_cmd="make"
 func! MenuCB(id, result)
 	if a:result == 1
-		silent exec "!echo '==Building ctags database==' && ctags --fields=+iaS --extras=+q --totals -R --c++-kinds=+p --exclude=.ccls-cache"
-		silent exec "!echo '==Adding system headers==' && find -exec gcc -M  '{}' \\; 2>&- | tr '[:space:]' '\\n' | grep '^/.*' | sort -u | ctags --c-kinds=+px --c++-kinds=+px --fields=+iaS --extras=+q -aL-"
+		silent exec "!echo '==Building ctags database==' && ctags --fields=+iaS --extra=+q --totals -R --c++-kinds=+p --exclude=.ccls-cache"
+		silent exec "!echo '==Adding system headers==' && find -exec gcc -M  '{}' \\; 2>&- | tr '[:space:]' '\\n' | grep '^/.*' | sort -u | ctags --c-kinds=+px --c++-kinds=+px --fields=+iaS --extra=+q -aL-"
 		silent exec "!echo '==Building cscope database==' && cscope -bR"
 		silent "cscope reset"
 		silent "cscope add cscope.out"
 		exec 'redraw!'
 	elseif a:result == 2
-		silent exec "!echo '==Building ctags database==' && ctags --fields=+iaS --extras=+q --totals -R --c++-kinds=+p"
+		silent exec "!echo '==Building ctags database==' && ctags --fields=+iaS --extra=+q --totals -R --c++-kinds=+p"
 		silent exec "!echo '==Building cscope database==' && cscope -bkR"
 		silent "cscope reset"
 		silent "cscope add cscope.out"