diff --git a/doc/cross-compilation.xml b/doc/cross-compilation.xml
index 650db718665..77d020afa2d 100644
--- a/doc/cross-compilation.xml
+++ b/doc/cross-compilation.xml
@@ -37,8 +37,9 @@
In Nixpkgs, these three platforms are defined as attribute sets under the names buildPlatform, hostPlatform, and targetPlatform.
- All three are always defined at the top level, so one can get at them just like a dependency in a function that is imported with callPackage:
- { stdenv, buildPlatform, hostPlatform, fooDep, barDep, .. }: ...
+ All three are always defined as attributes in the standard environment, and at the top level. That means one can get at them just like a dependency in a function that is imported with callPackage:
+ { stdenv, buildPlatform, hostPlatform, fooDep, barDep, .. }: ...buildPlatform..., or just off stdenv:
+ { stdenv, fooDep, barDep, .. }: ...stdenv.buildPlatform....