chore(returna): testing prettier

subjects/returna/README.md

@@ -4,7 +4,7 @@
 
 Write a program that takes a `string` as an argument, if the `string` contains the letter `a` then print `Contains the letter` followed by a newline `\n`.
 
-- If there is no character `a` in the `string`, the program writes `!(Contains the letter)` followed by a newline `\n`.
+- If a there is no character `a` in the `string`, the program writes `!(Contains the letter)` followed by a newline `\n`.
 - If the number of parameters is not 1, the program displays a newline `\n`.
 
 ### Usage
@@ -18,4 +18,4 @@ Contains the letter$
 $
 $ go run . "one" "two" | cat -e
 $
-```
+```