diff --git a/README.adoc b/README.adoc
index 508d4c4..601872f 100644
--- a/README.adoc
+++ b/README.adoc
@@ -7033,8 +7033,13 @@ The action seems to be happening at: `hw/arm/virt.c`.
 
 === Directory structure
 
-* `/data`: gitignored user created data. Deleting this might lead to loss of data. Of course, if something there becomes is important enough to you, git track it.
-* `/out`: gitignored Build outputs. You won't lose data by deleting this folder since everything there can be re-generated, only time.
+* `data`: gitignored user created data. Deleting this might lead to loss of data. Of course, if something there becomes is important enough to you, git track it.
+* `out`: gitignored Build outputs. You won't lose data by deleting this folder since everything there can be re-generated, only time.
+* `out/<arch>`: arch specific outputs
+* `out/<arch>/buildroot`: Buildroot output
+* `out/<arch>/qemu`: QEMU runtime outputs
+* `out/<arch>/gem5`: GEM5 runtime outputs
+* `out/common`: cross arch outputs. Notably gem5, which has the same build for `arm` and `aarch64`.
 
 :leveloffset: +3