diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 51e3c35814..8d03174ab2 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -621,6 +621,18 @@
+
+ gtext.bbclass
+
+
+ The GText (gtext) class provides support for
+ building software that uses the GNU gettext
+ internationalization and localization system.
+ All recipes building software that use
+ gettext should inherit this class.
+
+
+
Pkg-config - pkgconfig.bbclass