diff --git a/histd.sh b/histd.sh
index 7cb5d3a..a0261f9 100755
--- a/histd.sh
+++ b/histd.sh
@@ -11,10 +11,9 @@ function _check_editor {
     fi
 }
 
+# Create the required directories and open a text editor
+# so that the user can describe the day.
 function edit_note {
-    # Creates the required directories and opens a text editor
-    # so that the user can describe the day.
-
     # Create dirs (base_dir/year/month)
     WORKDIR="$BASE_DIR/$(date +%Y)/$(date +%m)"
     mkdir -p $WORKDIR
@@ -29,8 +28,8 @@ function edit_note {
     cd - > /dev/null
 }
 
+# Create an archive with all notes
 function backup {
-    # Creates an archive with all notes
     ARCHIVE_PATH=~/histd-$(date +%F).tar.xz
     cd $BASE_DIR
     tar cfJ $ARCHIVE_PATH ../histd
@@ -39,16 +38,18 @@ function backup {
     echo Saved to $ARCHIVE_PATH
 }
 
+# Concatenate all files and prefix each with the filename.
+# The result will be printed to stdout.
 function merge {
-    # This function concatenates all files and prefixes each with the filename.
-    # The result will be printed to stdout.
     find $BASE_DIR -type f -name "*.md" -exec echo "# {}" \; -exec cat "{}" \; -exec echo \;
 }
 
+# Display tree of all notes
 function list {
     tree $BASE_DIR
 }
 
+# Open last note
 function last {
     _check_editor
     LAST_FILE=$(ls -t $BASE_DIR/**/**/* | head -1)