cleaned readme

README.md

@@ -35,7 +35,7 @@ Lightning defers training and validation loop logic to you. It guarantees correc
 ## Why do I want to use lightning?
 When starting a new project the last thing you want to do is recode a training loop, model loading/saving, distributed training, when to validate, etc... You're likely to spend a long time ironing out all the bugs without even getting to the core of your research.
 
-With lightning, you guarantee those parts of your code work, and focus on what the meat of the research is, what is the data and to do insie a training and validation loop. Don't worry about multiple gpus or speeding up your code, lightning will do that for you!
+With lightning, you guarantee those parts of your code work so you can focus on what the meat of the research: Data and training, validation loop logic. Don't worry about multiple gpus or speeding up your code, lightning will do that for you!
 
 To use lightning do 2 things:  
 1. [Define a LightningModel](https://williamfalcon.github.io/pytorch-lightning/LightningModule/RequiredTrainerInterface/)