few quality changes in README and parameters of script

thread_recursive_scaling/run_thread_recursive.sh

@@ -12,7 +12,7 @@ echo "Compiled thread_recursive"
 # Usage:
 #   ./run_thread_recursive.sh [branch] [depth] [hold_seconds]
 # Example:
-#   ./run_thread_recursive.sh 2 6 10
+#   ./run_thread_recursive.sh 6 6 6
 
 BRANCH=${1:-6}
 DEPTH=${2:-6}