diff --git a/doc/manual/src/language/builtins-prefix.md b/doc/manual/src/language/builtins-prefix.md
index 35e3dccc3..7b2321466 100644
--- a/doc/manual/src/language/builtins-prefix.md
+++ b/doc/manual/src/language/builtins-prefix.md
@@ -3,7 +3,7 @@
 This section lists the functions built into the Nix language evaluator.
 All built-in functions are available through the global [`builtins`](./builtin-constants.md#builtins-builtins) constant.
 
-For convenience, some built-ins are can be accessed directly:
+For convenience, some built-ins can be accessed directly:
 
 - [`derivation`](#builtins-derivation)
 - [`import`](#builtins-import)