Fixed a syntax mistake in the R section

I did the mistake so I fixed it I didnt ruin anyones elses added things

Author: Filip-Nachov

README.md

@@ -622,7 +622,7 @@ To get started, simply fork this repo. Please refer to [CONTRIBUTING.md](CONTRIB
 - [Build Web Apps with Shiny](http://shiny.rstudio.com/tutorial/)
 - [Build A Cryptocurrency Bot](https://towardsdatascience.com/build-a-cryptocurrency-trading-bot-with-r-1445c429e1b1)
 - [Learn Associate Rule Mining in R](https://towardsdatascience.com/association-rule-mining-in-r-ddf2d044ae50)
-- [Make a Linear regression in R] (https://www.scribbr.com/statistics/linear-regression-in-r/)
+- [Make a Linear regression in R](https://www.scribbr.com/statistics/linear-regression-in-r/)
 
 ## Rust: