diff --git a/src/ROCKparams.cpp b/src/ROCKparams.cpp
index 3ee9910f0c7bf3c8ceaa7ef91e60ad5566b37f8c..db1fb947f366da56d8cf66ba423ad35a58e08dd9 100644
--- a/src/ROCKparams.cpp
+++ b/src/ROCKparams.cpp
@@ -84,7 +84,7 @@ void ROCKparams::optArgConsistency(const string& input_file,const string& output
         computeLambda();
         parms.lambda=min(parms.lambda,proposedLambda);
         if (parms.lambda==0) {
-            cout<<"Not enough RAM on the machine. TotalRAM -1GB must be bigger than INT_MAX to allow at least 1 array in the CMS."<<endl;
+            cout<<"Not enough RAM on the machine. Total RAM in GB must be bigger than INT_MAX to allow at least 1 array in the CMS."<<endl;
             exit(EXIT_FAILURE);
         }
     }