diff --git a/help/inline_help_capabilities.less b/help/inline_help_capabilities.less
index d526d949c9b9a1b08fa1544a1b28ac28b49dec1a..83b316fe1bae3811fe02da84a3062c0dd0c36b2d 100644
--- a/help/inline_help_capabilities.less
+++ b/help/inline_help_capabilities.less
@@ -41,6 +41,7 @@ html.embedded {
     &.feat-io-ox-core-managedResources .feat-io-ox-core-managedResources,
     &.feat-io-ox-core-resourceCalendars .feat-io-ox-core-resourceCalendars,
     &.feat-io-ox-core-undoSend .feat-io-ox-core-undoSend,
+    &.feat-io-ox-mail-editRealNames .feat-io-ox-mail-editRealNames,
     &.feat-jitsi .feat-jitsi,
     &.feat-zoom .feat-zoom {
         // using `:not` to get the node type into the full selector here