diff --git a/docs/manual/customize-toolchain.txt b/docs/manual/customize-toolchain.txt
index 31c9140433..4f3fe23695 100644
--- a/docs/manual/customize-toolchain.txt
+++ b/docs/manual/customize-toolchain.txt
@@ -17,9 +17,10 @@ generate it.
 It also requires to set the Buildroot settings according to the toolchain ones
 (see xref:external-toolchain-backend[]).
 
-When using an external toolchain, Buildroot generates a wrapper program, that
-passes the appropriate options (according to the configuration) to the
-external toolchain programs. In case you need to debug this wrapper, you can
+When using an external toolchain, Buildroot generates a wrapper program,
+that transparently passes the appropriate options (according to the
+configuration) to the external toolchain programs. In case you need to
+debug this wrapper to check exactly what arguments are passed, you can
 set the environment variable BR_DEBUG_WRAPPER to either one of:
 
 * +0+, empty or not set: no debug