diff --git a/src/accelerator_omp.h b/src/accelerator_omp.h
index ad733e295f1119aa21863a245ab8383810d8f5cd..6caa0826fe8e48fe7da7b99525ea6668fc84105c 100644
--- a/src/accelerator_omp.h
+++ b/src/accelerator_omp.h
@@ -85,7 +85,8 @@ class DomainOMP : public Domain {
 
 #else /* !LMP_USER_OMP */
 
-// needed for compiling Neighbor class when USER-OMP is not installed
+// dummy interface to USER-OMP
+// needed for compiling when USER-OMP is not installed
 
 #ifdef LMP_INSIDE_NEIGHBOR_H