diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 1d491cc1fe..bf9127c69f 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -7707,7 +7707,8 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
Specifies architecture-specific C compiler flags for the
target system.
TARGET_CC_ARCH is initialized from
- TUNE_CCARGS by default.
+ TUNE_CCARGS
+ by default.
It is a common workaround to append
LDFLAGS
@@ -8252,6 +8253,24 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
+ TUNE_CCARGS
+
+
+ Specifies architecture-specific C compiler flags for
+ the target system.
+ The set of flags is based on the selected tune features.
+ TUNE_CCARGS is set using
+ the tune include files, which are typically under
+ meta/conf/machine/include/ and are
+ influenced through TUNE_FEATURES.
+
+ Board Support Packages (BSPs) can supply their own
+ set of flags.
+
+
+
+
+
TUNE_PKGARCH