diff --git a/src/hydcoeffs.c b/src/hydcoeffs.c
index 7b2dc47..8fe5426 100644
--- a/src/hydcoeffs.c
+++ b/src/hydcoeffs.c
@@ -486,7 +486,7 @@ void demandheadloss(Project *pr, int i, double dp, double n,
     }
 
     // Use power head loss function for demand less than full
-    else if (r <= 1.0)                                                         //(2.2.1)
+    else if (r <= 1.0)
     {
         *hgrad = n * dp * pow(r, n - 1.0) / dfull;
         // ... use linear function for very small gradient
diff --git a/src/hydsolver.c b/src/hydsolver.c
index 7f80a29..c3b5979 100644
--- a/src/hydsolver.c
+++ b/src/hydsolver.c
@@ -554,7 +554,7 @@ void newdemandflows(Project *pr, Hydbalance *hbal, double *qsum, double *dqsum)
         dq = (hloss - dh) / hgrad;
         dq *= hyd->RelaxFactor;
 
-        // Prevent a flow change greater than full demand                      //(2.2.1)
+        // Prevent a flow change greater than full demand
         if (fabs(dq) > hyd->NodeDemand[i])
             dq = 0.5 * SGN(dq) * hyd->NodeDemand[i];
         hyd->DemandFlow[i] -= dq;