diff --git a/src/DCPSE/Vandermonde.hpp b/src/DCPSE/Vandermonde.hpp
index 77b3752b926c9520579e5e0e90d9494452773541..f88f6224d5eea26326243fc01561b4e6a70f4d70 100644
--- a/src/DCPSE/Vandermonde.hpp
+++ b/src/DCPSE/Vandermonde.hpp
@@ -94,7 +94,7 @@ private:
             ACTION_ON_ERROR(std::length_error("Not enough neighbour points passed for Vandermonde matrix construction!"));
         }
         // Compute eps for this point
-        //factor here
+        //factor here. This is C factor.
         computeEps(2);
     }