diff --git a/src/group.cpp b/src/group.cpp
index da0e94fc11b45129c709fbddbf22c40b2df9aefb..d94d67ae7c553afda80c00ac2de0ecd5a6f28461 100644
--- a/src/group.cpp
+++ b/src/group.cpp
@@ -1665,7 +1665,6 @@ void Group::inertia(int igroup, double *cm, double itensor[3][3], int iregion)
 
 /* ----------------------------------------------------------------------
    compute angular velocity omega from L and I
-   really not a group/region operation, but L,I were computed for a group/region
    diagonalize I instead of inverting it, to allow for a singular matrix
 ------------------------------------------------------------------------- */