fix ws

Author: nicolas-grekas

README.md

@@ -13,7 +13,7 @@ The Security component for Symfony 5.4/6.0 is [backed][1] by [SymfonyCasts][2].
 
 Learn Symfony faster by watching real projects being built and actively coding
 along with them. SymfonyCasts bridges that learning gap, bringing you video
-tutorials and coding challenges. Code on! 
+tutorials and coding challenges. Code on!
 
 Help Symfony by [sponsoring][3] its development!