Update send-a-string.md

NisarAbbasi1978 · web-flow · commit 961f6aaa8486 · 2021-03-22T21:40:31.000+03:00
diff --git a/src/11-usart/send-a-string.md b/src/11-usart/send-a-string.md
@@ -11,4 +11,4 @@ Execute your program inside the debugger, statement by statement. What do you se
 
 Then execute the program again but in *one go* using the `continue` command. What happens this time?
 
-Finally, build the program in *release* mode and, again, run it one go. What happens this time?
+Finally, build the program in *release* mode and, again, run it in one go. What happens this time?

Original file line number	Diff line number	Diff line change
`@@ -11,4 +11,4 @@ Execute your program inside the debugger, statement by statement. What do you se`
`11`	`11`
`12`	`12`	Then execute the program again but in one go using the `continue` command. What happens this time?
`13`	`13`
`14`		`-Finally, build the program in release mode and, again, run it one go. What happens this time?`
	`14`	`+Finally, build the program in release mode and, again, run it in one go. What happens this time?`