diff --git a/docs/api/srfi/143.md b/docs/api/srfi/143.md
index dfe630f0..506596ab 100644
--- a/docs/api/srfi/143.md
+++ b/docs/api/srfi/143.md
@@ -15,7 +15,7 @@ See the [SRFI document](http://srfi.schemers.org/srfi-143/srfi-143.html) for mor
 [`fx-least`](#fx-least)
 
 ## Predicates
-[`fixnum`](#fixnum?)
+[`fixnum?`](#fixnum)
 [`fx=?`](#fx)
 [`fx<?`](#fx-1)
 [`fx>?`](#fx-2)