fix typ

_posts/2024-01-25-nlp.md

@@ -25,7 +25,7 @@ Some key things to note:
 
 - For configuring a custom currency: type the currency before the amount, example: `EUR 35.50`, or `JPY 4000.00`, or `USD 24.99`, and so on...
 - For configuring a preferred account: type `+` followed by the account's last four digits code, example: `+9700` will find the first matching account with those last four digits and configure it on the expense. 
-- For configuring a preferred category: type `/` followed by the category's name, example: `+food` will match with the food category. 
+- For configuring a preferred category: type `/` followed by the category's name, example: `/food` will match with the food category. 
 
 In both instances of the account and category keyword, you need not type the whole account or category name for a match. You can simply type the first few letters and the app will configure the first closest match.