diff --git a/DynamicModel.cc b/DynamicModel.cc
index 8d3ca37da051114ba7e4ca88dfc7ca8da9b429a6..e935e1cc5a75bb6489319b66e7a1e04b1b8c0825 100644
--- a/DynamicModel.cc
+++ b/DynamicModel.cc
@@ -510,7 +510,7 @@ DynamicModel::writeModelEquationsOrdered_M(const string &dynamic_basename) const
                 }
               else
                 {
-                  cerr << "Type missmatch for equation " << equation_ID+1  << "\n";
+                  cerr << "Type mismatch for equation " << equation_ID+1  << "\n";
                   exit(EXIT_FAILURE);
                 }
               output << ";\n";
diff --git a/DynareMain.cc b/DynareMain.cc
index 14d594c49757b644263369beedb198c0c4fd2aa2..0230d7320442db9d10c36f65900d2b2d8d00b0f3 100644
--- a/DynareMain.cc
+++ b/DynareMain.cc
@@ -251,7 +251,7 @@ main(int argc, char **argv)
         {
           if (strlen(argv[arg]) <= 7 || argv[arg][6] != '=')
             {
-              cerr << "Incorrect syntax for ouput option" << endl;
+              cerr << "Incorrect syntax for output option" << endl;
               usage();
             }
           if (strlen(argv[arg]) == 14 && !strncmp(argv[arg] + 7, "dynamic", 7))
@@ -264,7 +264,7 @@ main(int argc, char **argv)
             output_mode = third;
           else
             {
-              cerr << "Incorrect syntax for ouput option" << endl;
+              cerr << "Incorrect syntax for output option" << endl;
               usage();
             }
         }
diff --git a/ModFile.cc b/ModFile.cc
index 397fee1bb159ca8a51a53f59a09b7a943abc2399..0ad63d2b3b7796d40a59aa22e008f58d7ee345ad 100644
--- a/ModFile.cc
+++ b/ModFile.cc
@@ -232,7 +232,7 @@ ModFile::checkPass(bool nostrict)
 
       if (mod_file_struct.dsge_prior_weight_initialized && mod_file_struct.dsge_prior_weight_in_estimated_params)
         {
-          cerr << "ERROR: dsge_prior_weight cannot be both initalized and estimated." << endl;
+          cerr << "ERROR: dsge_prior_weight cannot be both initialized and estimated." << endl;
           exit(EXIT_FAILURE);
         }
     }
diff --git a/StaticModel.cc b/StaticModel.cc
index ecc50640d9a83100ab34624804c8d28347b7fdf6..5c18d1247fae90c5f55a8df5c7c3b7cd108b5c95 100644
--- a/StaticModel.cc
+++ b/StaticModel.cc
@@ -341,7 +341,7 @@ StaticModel::writeModelEquationsOrdered_M(const string &static_basename) const
                 }
               else
                 {
-                  cerr << "Type missmatch for equation " << equation_ID+1  << "\n";
+                  cerr << "Type mismatch for equation " << equation_ID+1  << "\n";
                   exit(EXIT_FAILURE);
                 }
               output << ";\n";