Typo in static items link

Author: Coder-256

src/items/static-items.md

@@ -74,7 +74,7 @@ following are true:
 [constant]: constant-items.md
 [`drop`]: ../destructors.md
 [constant expression]: ../const_eval.md#constant-expressions
-[external statics]: external-blocks#statics
+[external statics]: external-blocks.md#statics
 [interior mutable]: ../interior-mutability.md
 [IDENTIFIER]: ../identifiers.md
 [_Type_]: ../types.md#type-expressions