fixed typos and errors

- two typos with importing code
- a few documentation typos

README.md

@@ -13,7 +13,7 @@ git update-index --assume-unchanged .taguette_gdocs
 I also create a directory called `taguette_backups` like:
 
 ```
-mkdir db_backups
+mkdir taguette_backups
 ```
 
 ## Step 1: Backing things up
@@ -28,7 +28,7 @@ cp "taguette_backups/$BACKUP_FILE" ./taguette-working.sqlite3
 ```
 
 The first line shuts down Taguette. The second line just creates the backup
-file name. The third and fourt lines will create a new backup file and copy the
+file name. The third and fourth lines will create a new backup file and copy the
 backup file into the `./taguette-working.sqlite3`.
 
 ### Step 2a: Import from Google Sheets into the database

taguette-export_tags_to_csv.py

@@ -2,7 +2,7 @@
 
 import re
 import sqlite3
-from configparser ConfigParser
+from configparser import ConfigParser
 
 config = ConfigParser()
 config.read('.taguette_gdocs')

taguette-update_tags_from_sheet.py

@@ -3,7 +3,7 @@
 import requests
 from csv import DictReader
 import sqlite3
-from configparser ConfigParser
+from configparser import ConfigParser
 
 config = ConfigParser()
 config.read('.taguette_gdocs')