diff --git a/README.md b/README.md
index 40efe1f..45e124b 100644
--- a/README.md
+++ b/README.md
@@ -112,9 +112,9 @@ Call `fzf_configure_bindings` in your `config.fish` in order to persist your cus
 
 ### Change fzf options for all commands
 
-fzf supports global default options via the [FZF_DEFAULT_OPTS](https://github.com/junegunn/fzf#environment-variables) environment variable.
+fzf supports global default options via the [FZF_DEFAULT_OPTS or FZF_DEFAULT_OPTS_FILE](https://github.com/junegunn/fzf#environment-variables) environment variables.
 
-`fzf.fish` sets [a sane `FZF_DEFAULT_OPTS` whenever it executes fzf](functions/_fzf_wrapper.fish). If you export your own `FZF_DEFAULT_OPTS`, then yours will be used instead.
+`fzf.fish` sets [a sane `FZF_DEFAULT_OPTS` whenever it executes fzf](functions/_fzf_wrapper.fish) unless you export your own `FZF_DEFAULT_OPTS` or `FZF_DEFAULT_OPTS_FILE`.
 
 ### Change fzf options for a specific command