diff --git a/developer/bin/generate_cask_token b/developer/bin/generate_cask_token
index 9e83c03e23..e46df9c979 100755
--- a/developer/bin/generate_cask_token
+++ b/developer/bin/generate_cask_token
@@ -30,6 +30,7 @@ end
 
 EXPANDED_SYMBOLS = {
                     '+' => 'plus',
+                    '@' => 'at',
                    }
 
 CASK_FILE_EXTENSION = '.rb'
diff --git a/doc/cask_token_reference.md b/doc/cask_token_reference.md
index 7236f4422b..b0a3671819 100644
--- a/doc/cask_token_reference.md
+++ b/doc/cask_token_reference.md
@@ -134,6 +134,7 @@ To convert the App's Simplified Name (above) to a token:
 
   * convert all letters to lower case
   * expand the `+` symbol into a separated English word: `-plus-`
+  * expand the `@` symbol into a separated English word: `-at-`
   * spaces become hyphens
   * hyphens stay hyphens
   * digits stay digits