diff --git a/faq.md b/faq.md
index 6218e9d..7993293 100644
--- a/faq.md
+++ b/faq.md
@@ -12,6 +12,8 @@ if empty(glob('~/.vim/autoload/plug.vim'))
 endif
 ```
 
+(If you're behind an HTTP proxy, you may need to add `--insecure` option to the curl command. In that case, you also need to set `$GIT_SSL_NO_VERIFY` to true.)
+
 ### Loading plugins manually
 
 With `on` and `for` options, vim-plug allows you to defer loading of plugins. But if you want a plugin to be loaded on an event that is not supported by vim-plug, you can set `on` or `for` option to an empty list, and use `plug#load(names...)` function later to load the plugin manually. The following example will load [ultisnips](https://github.com/SirVer/ultisnips) and [YouCompleteMe](https://github.com/Valloric/YouCompleteMe) first time you enter insert mode.