diff --git a/sammy/src/ssm/mssm04.f90 b/sammy/src/ssm/mssm04.f90
index 5c75301cc460a48ab6d3b6d28170e74298f2f111..4fe66397c9e0c6d08d5a87299448667369bfe3b7 100644
--- a/sammy/src/ssm/mssm04.f90
+++ b/sammy/src/ssm/mssm04.f90
@@ -59,7 +59,7 @@ module ssm_4_m
       Kdatmn = 0
       Nsen = 1
 !
-! *** Start major do-loop on
+! *** Start major do-loop on energy
       DO N=1,Kdatb
          Nn = N
 !
@@ -668,7 +668,7 @@ module ssm_4_m
 ! ***       Here if Idone=3, which means don't calculate yield, but do
 ! ***          calculate the pieces needed for Y2
 !
-! ***       Also here if Idone=0, Em is bigger than Eminr, so
+! ***       Also here if Idone=0, energy Em is bigger than Eminr, so
 ! ***          calculation can proceed
 !
             IF (Idone.NE.3 .AND. Kdatmn.EQ.0) Kdatmn = Nn