diff --git a/README.md b/README.md
index 4ab55ce..cc32b00 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ This extension has also been tested on remote workspaces (e.g. SSH sessions).
 
 This plugin opens a terminal inside VS Code. Make sure that you can run `fzf`, `rg`, `bat`, and
 `sed` by running these commands directly in your terminal. If those work, this plugin will work as
-expected. If it doesn't, confirm that you are running recent versions of all three tools.
+expected. If it doesn't, confirm that you are running recent versions of all four tools.
 
 If you're not familiar with these command line tools, you might want to check them out. They are
 awesome tools that can be individually used and make you more productive. And when combined such as