.local/bin/updatedb-local: Clarify documentation.

.local/bin/updatedb-local

@@ -7,9 +7,10 @@ if [ "$1" = "-h" ]; then
 	cat <<EOF>&2
 Usage: ${0##*/} [FOLDERS]
 
-Update the 'locate' databases for the home folder, external drives and the FOLDERS arguments.
+Update the 'locate' databases for the home folder, external drives and the
+FOLDERS arguments.
 
-For external drives, databases are only updated if found, they are not
+For folders other than home, databases are only updated if found, they are not
 automatically created (unless explicitly specified in the FOLDERS arguments).
 
 - The database for the home folder is stored in '$HOME_DB_FOLDER/$DB_FILE'.