diff --git a/src/constants.F90 b/src/constants.F90
index 7c8bc8fc5d..2aceea15cf 100644
--- a/src/constants.F90
+++ b/src/constants.F90
@@ -282,7 +282,7 @@ module constants
        SCORE_NU_SCATTER_YN      = -19, & ! angular flux-weighted nu-scattering moment (0:N)
        SCORE_EVENTS             = -20, & ! number of events
        SCORE_DELAYED_NU_FISSION = -21, & ! delayed neutron production rate
-       SCORE_INVERSE_VELOCITY   = -22    ! flux weighted inverse velocity
+       SCORE_INVERSE_VELOCITY   = -22    ! flux-weighted inverse velocity
 
   ! Maximum scattering order supported
   integer, parameter :: MAX_ANG_ORDER = 10