diff --git a/docs/annotating_code/type_syntax/atomic_types.md b/docs/annotating_code/type_syntax/atomic_types.md
index 45c2c8c1fd3..e93fc5720a3 100644
--- a/docs/annotating_code/type_syntax/atomic_types.md
+++ b/docs/annotating_code/type_syntax/atomic_types.md
@@ -8,7 +8,7 @@ Atomic types are the basic building block of all type information used in Psalm.
 - [positive-int](scalar_types.md#positive-int)
 - [float](scalar_types.md)
 - [string](scalar_types.md)
-- [class-string and class-string<Foo>](scalar_types.md#class-string)
+- [class-string and class-string<Foo>](scalar_types.md#class-string-interface-string)
 - [trait-string](scalar_types.md#trait-string)
 - [callable-string](scalar_types.md#callable-string)
 - [numeric-string](scalar_types.md#numeric-string)