did a little more personal documentation

notes

@@ -17,9 +17,13 @@ set -e
 
 readonly NOTES_DIRECTORY="${NOTES_DIRECTORY:-${HOME}/notes}"
 readonly NOTES_EDITOR="${EDITOR}"
+#doc: looks like readonly means the variable gets set and won't be changed later in the script.
+#in this case it looks like the frist above sets the notes directory in the home directory
+#and the second points to the default text editor
 
 readonly NOTES_FILE="$(date +%Y-%m).txt"
 readonly NOTES_PATH="${NOTES_DIRECTORY}/${NOTES_FILE}"
+#doc: first one sets the file name, second indicates the path to the directory
 
 if [ ! -d "${NOTES_DIRECTORY}" ]; then
     while true; do
@@ -33,6 +37,7 @@ if [ ! -d "${NOTES_DIRECTORY}" ]; then
         esac
     done
 fi
+#doc: the ! -d checks if it does not exist then it asks if it should be made
 
 if [ ${#} -eq 0 ]; then
     if [ -p "/dev/stdin" ]; then