1 files changed, 1 insertions, 1 deletions

diff --git a/documentation/ref-manual/ref-images.xml b/documentation/ref-manual/ref-images.xml
index 7f65fe9687..cc70f89433 100644
--- a/documentation/ref-manual/ref-images.xml
+++ b/documentation/ref-manual/ref-images.xml
@@ -23,7 +23,7 @@
         command to build the minimal or base image:
         <literallayout class='monospaced'>
      1. Comment out the EXTRA_IMAGE_FEATURES line
-     2. Set INCOMPATIBLE_LICENSE = "GPLv3 LGPLv3 AGPL-3.0"
+     2. Set INCOMPATIBLE_LICENSE = "GPL-3.0 LGPL-3.0 AGPL-3.0"
         </literallayout>
     </note>