diff --git a/documentation/ref-manual/ref-classes.xml b/documentation/ref-manual/ref-classes.xml
index 2e25253a8b..cde8f5bb9e 100644
--- a/documentation/ref-manual/ref-classes.xml
+++ b/documentation/ref-manual/ref-classes.xml
@@ -1502,6 +1502,21 @@
+
+ primport.bbclass
+
+
+ The primport class provides functionality for
+ importing
+ PR values.
+
+ This class is not intended to be used directly.
+ Rather, it is enabled when using
+ "bitbake-prserv-tool import".
+
+
+
+
Python Extensions - distutils.bbclass