diff --git a/INSTALL.md b/INSTALL.md
index f998726..6793d89 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -75,9 +75,7 @@ your `.zshrc`.
 
        plugins=( [plugins...] zsh-syntax-highlighting)
 
-3. Source `~/.zshrc`  to take changes into account:
-
-       % source ~/.zshrc
+3. Restart zsh (such as by opening a new instance of your terminal emulator).
 
 #### [Prezto](https://github.com/sorin-ionescu/prezto)