diff --git a/sdk_container/src/third_party/portage-stable/eclass/alternatives.eclass b/sdk_container/src/third_party/portage-stable/eclass/alternatives.eclass
index d6bb6b19e9..155a2457bb 100644
--- a/sdk_container/src/third_party/portage-stable/eclass/alternatives.eclass
+++ b/sdk_container/src/third_party/portage-stable/eclass/alternatives.eclass
@@ -51,12 +51,12 @@ EXPORT_FUNCTIONS pkg_postinst pkg_postrm
 if [[ -z ${_ALTERNATIVES_ECLASS} ]]; then
 _ALTERNATIVES_ECLASS=1
 
-# @ECLASS-VARIABLE: SOURCE
+# @ECLASS_VARIABLE: SOURCE
 # @DEFAULT_UNSET
 # @DESCRIPTION:
 # The symlink to be created
 
-# @ECLASS-VARIABLE: ALTERNATIVES
+# @ECLASS_VARIABLE: ALTERNATIVES
 # @DEFAULT_UNSET
 # @DESCRIPTION:
 # The list of alternatives