diff --git a/README.adoc b/README.adoc
index 964e8b6..6375e4f 100644
--- a/README.adoc
+++ b/README.adoc
@@ -2107,7 +2107,7 @@ By default, we use a `.config` that is a mixture of:
 If you want to just use your own exact `.config` instead, do:
 
 ....
-./build -K myconfig -l
+./build -K data/myconfig -l
 ....
 
 Beware that Buildroot can `sed` override some of the configurations we make no matter what, e.g. it forces `CONFIG_BLK_DEV_INITRD=y` when `BR2_TARGET_ROOTFS_CPIO` is on, so you might want to double check as explained at <<find-the-kernel-config>>. TODO check if there is a way to prevent that patching and maybe patch Buildroot for it, it is too fuzzy. People should be able to just build with whatever `.config` they want.