diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index cfabb0897f..d42ab01861 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -7830,8 +7830,11 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
OpenEmbedded Core project
for which a layer is compatible.
Using the LAYERSERIES_COMPAT variable
- makes it clear when a given layer is unmaintained and
- untested with new releases of OE-Core.
+ allows the layer maintainer to indicate which combinations
+ of the layer and OE-Core can be expected to work.
+ The variable gives the system a way to detect when a layer
+ has not been tested with new releases of OE-Core (e.g.
+ the layer is not maintained).
@@ -7850,8 +7853,8 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
Setting LAYERSERIES_COMPAT is
required by the Yocto Project Compatible version 2
standard.
- The OpenEmbedded build system, however, does not
- produce an error if the variable is not set.
+ The OpenEmbedded build system produces a warning if
+ the variable is not set for any given layer.