diff --git a/l3kernel/l3tl-build.dtx b/l3kernel/l3tl-build.dtx
index 90747d0f37..c098616199 100644
--- a/l3kernel/l3tl-build.dtx
+++ b/l3kernel/l3tl-build.dtx
@@ -113,7 +113,7 @@
 %     \cs{tl_build_add:n} \Arg{tokens}
 %   \end{syntax}
 %   This function may only be used within the scope of a
-%   \cs_tl_build:Nw} function. It adds the \meta{tokens} on the
+%   \cs{tl_build:Nw} function. It adds the \meta{tokens} on the
 %   right of the current token list.
 % \end{function}
 %