README.md: Fix typo (an File to a File)

ruby · May 25, 2020 · ab20bde · ab20bde
1 parent 45ec919
commit ab20bde
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -27,7 +27,7 @@ IO.console      -> #<File:/dev/tty>
 IO.console(sym, *args)
 ```
 
-Returns an File instance opened console.
+Returns a File instance opened console.
 
 If `sym` is given, it will be sent to the opened console with `args` and the result will be returned instead of the console IO itself.