diff --git a/docs/Cask-Cookbook.md b/docs/Cask-Cookbook.md
index 363e94383a..c2ff47215d 100644
--- a/docs/Cask-Cookbook.md
+++ b/docs/Cask-Cookbook.md
@@ -502,7 +502,7 @@ The available symbols for hardware are:
 | ---------- | -------------- |
 | `:x86_64`  | 64-bit Intel   |
 | `:intel`   | 64-bit Intel   |
-| `:arm64`   | Apple M1   |
+| `:arm64`   | Apple Silicon  |
 
 The following are all valid expressions: