diff --git a/src/RunTenFoldCrossValidation.sh b/src/RunTenFoldCrossValidation.sh
index 9ba54a7..48dbba0 100755
--- a/src/RunTenFoldCrossValidation.sh
+++ b/src/RunTenFoldCrossValidation.sh
@@ -1,11 +1,20 @@
 #!/bin/bash
 # Author: Leonel Figueiredo de Alencar
-# Last update: September 10, 2024
+# Last update: September 11, 2024
 
-echo "Split $1 treebank file in ten folds." > log.txt
+# Check for correct number of arguments (expecting 1 argument)
+if [ "$#" -ne 1 ]; then
+  echo "Usage: $0 <treebank_file>"
+  exit 1
+fi
+
+echo "Creating 'log.txt' file."
+touch log.txt
+echo "File 'log.txt' written to disk."
+echo "Split $1 treebank file in ten folds, each fold consisting of a test and a train set." >> log.txt
 TestSuite.py $1
 
-echo "Create 10 different models. This may take up several hours." >> log.txt
+echo "Create 10 different models, one for each fold. This may take up several hours." >> log.txt
 CreateModels.sh
 
 echo "Parse and test 10 times using each time a different model and test file." >> log.txt
@@ -13,4 +22,5 @@ TenFoldCrossVal.sh
 
 echo "Process the results of parsing with gold tokenization and gold tags." >> log.txt
 ParseGoldTokResults.py > results.txt
+echo "File 'results.txt' written to disk."