Keep a record of all the ingredients in every recipe you use. It will be important for making adjustments to the recipe or if you want to reproduce good ones in the future. This also helps with avoiding the recipes you don’t ever want to use again.
Record the times of starting, length of fermenting and storage, and how you liked or disliked the resulting wine.
Note the recipe you used and the date when you bottle your wine. Attach some kind of label to each bottle.