diff --git a/docs/Libre-Kernel.md b/docs/Libre-Kernel.md
index 3469375..6cb3783 100644
--- a/docs/Libre-Kernel.md
+++ b/docs/Libre-Kernel.md
@@ -42,6 +42,7 @@ In `/etc/portage/package.unmask`:
 ```
 sys-kernel/libre-kernel::projectmoon
 virtual/dist-kernel::projectmoon
+virtual/linux-sources::projectmoon
 sec-keys/openpgp-keys-linux-libre::projectmoon
 ```
 
@@ -51,6 +52,7 @@ In `/etc/portage/package.accept_keywords`:
 sys-kernel/librem-ec-acpi::projectmoon
 sys-kernel/libre-kernel::projectmoon ~amd64
 virtual/dist-kernel::projectmoon
+virtual/linux-sources::projectmoon
 ```
 
 In `/etc/portage/package.mask`: