Update README.md

Author: mitghi

Shell Sort/README.md

@@ -23,7 +23,7 @@ n = floor(5/2) = 2
     i = 0    64 23 72 33 4
              ``    ``    ``
         	64 23 4 33 72
-		   4 23 64 33 72
+		4 23 64 33 72
 
     i = 1    4  23 64 33 72
                 ``    ``
@@ -42,4 +42,4 @@ Each item in sublist is compared against each other, if the condition is met, th
 
 [Shellsort on Wikipedia](https://en.wikipedia.org/wiki/Shellsort)
 
-*Written for Swift Algorithm Club by [Mike Taghavi](https://github.com/mitghi)*
+*Written for Swift Algorithm Club by [Mike Taghavi](https://github.com/mitghi)*