diff --git a/etc/caseDicts/annotated/topoSetSourcesDict b/etc/caseDicts/annotated/topoSetSourcesDict
index ef464d7778f70cfc97ba196bf75f60d2df43672c..f56caca7227fde0281167621349f2acef8bb7e76 100644
--- a/etc/caseDicts/annotated/topoSetSourcesDict
+++ b/etc/caseDicts/annotated/topoSetSourcesDict
@@ -257,6 +257,8 @@ faceSet_doc
 
         option  all;            // All faces of cells
         //option  both;         // Only faces with owner+neighbour in cellSet
+        //option  outside;      // Only faces with either owner or neighbour
+                                // in cellSet
     }
 
 
@@ -555,6 +557,15 @@ faceZoneSet_doc
         flip    false;    // optional: flip the faceZone (so now the cellSet
                           //           is the master side)
     }
+
+
+    //- Select based on outside of cellSet
+    {
+        source  cellToFaceZone;
+        set     c0;       // name of cellSet of slave side
+        flip    false;    // optional: flip the faceZone (so now the cellSet
+                          //           is the master side)
+    }
 }