diff --git a/src/extensions/membrane-orientation/membrane-orientation.ts b/src/extensions/membrane-orientation/membrane-orientation.ts
index 5e95d9d9304bf4fb1f79f5ae6d17fcc41e41754f..66d26e3918226b49f75eb968fa7041607903e491 100644
--- a/src/extensions/membrane-orientation/membrane-orientation.ts
+++ b/src/extensions/membrane-orientation/membrane-orientation.ts
@@ -53,7 +53,7 @@ namespace MembraneOrientation {
             })
     };
 
-    export const isTransmembrane = StructureSelectionQuery('Residues embedded in membrane', MS.struct.modifier.union([
+    export const isTransmembrane = StructureSelectionQuery('Residues Embedded in Membrane', MS.struct.modifier.union([
         MS.struct.modifier.wholeResidues([
             MS.struct.modifier.union([
                 MS.struct.generator.atomGroups({