diff --git a/src/geckomat/utilities/saveEcModel.m b/src/geckomat/utilities/saveEcModel.m
index 69f4bf95..9c0e5bad 100644
--- a/src/geckomat/utilities/saveEcModel.m
+++ b/src/geckomat/utilities/saveEcModel.m
@@ -40,12 +40,12 @@ function saveEcModel(ecModel,filename,modelAdapter)
 
 switch filename(end-3:end)
     case {'.xml','sbml'}
-        exportModel(ecModel,[filename '.xml']);
+        exportModel(ecModel, filename);
         %Convert notation "e-005" to "e-05 " in stoich. coeffs. to avoid
         %inconsistencies between Windows and MAC:
-        copyfile([filename '.xml'],'backup.xml')
+        copyfile(filename,'backup.xml')
         fin  = fopen('backup.xml', 'r');
-        fout = fopen([filename '.xml'], 'w');
+        fout = fopen(filename, 'w');
         still_reading = true;
         while still_reading
             inline = fgets(fin);
diff --git a/tutorials/light_ecModel/protocol.m b/tutorials/light_ecModel/protocol.m
index 008125e0..f6467131 100644
--- a/tutorials/light_ecModel/protocol.m
+++ b/tutorials/light_ecModel/protocol.m
@@ -74,7 +74,7 @@
 % STEP 26 Merge BRENDA and DLKcat derived values
 kcatList_merged = mergeDLKcatAndFuzzyKcats(kcatList_DLKcat, kcatList_fuzzy);
 
-% STEP 27 Implement kcat avlues into model.ec.kcat
+% STEP 27 Implement kcat values into model.ec.kcat
 ecModel = selectKcatValue(ecModel,kcatList_merged);
 
 % STEP 28
@@ -96,7 +96,7 @@
 % -standardMW/standardKcat as the stoiciometric coefficient.
 [ecModel, rxnsMissingGPR, standardMW, standardKcat] = getStandardKcat(ecModel);
 
-% STEP 31 Apply kcat avlues to S-matrix
+% STEP 31 Apply kcat values to S-matrix
 % In light ecModels the kcat values are also kept in ecModels.ec.kcat, and
 % only after running applyKcatConstraints are these introduced in the
 % ecModel.S matrix. In constrast to full ecModels, the applyKcatConstraints