diff --git a/src/items/type-aliases.md b/src/items/type-aliases.md
index c471f7a6a..3d555d563 100644
--- a/src/items/type-aliases.md
+++ b/src/items/type-aliases.md
@@ -3,7 +3,7 @@
> **Syntax**\
> _TypeAlias_ :\
> `type` [IDENTIFIER] [_GenericParams_]?
-> [_WhereClause_]? ( `=` [_Type_] ) `;`
+> [_WhereClause_]? ( `=` [_Type_] )? `;`
A _type alias_ defines a new name for an existing [type]. Type aliases are
declared with the keyword `type`. Every value has a single, specific type, but