Edit README.md

Amanda Butler · web-flow · commit 385ae6123770 · 2020-03-06T11:34:38.000-06:00
Edit file, mostly for active voice.
diff --git a/APIs_Drivers/InterruptIn_ex_1/README.md b/APIs_Drivers/InterruptIn_ex_1/README.md
@@ -1,3 +1,3 @@
 # InterruptIn example
 
-This example shows how to use InterruptIn to trigger function call when a certain event happens. The example demonstrates calling a function when a button is pressed. Specifically on the rising edge of a button press. This can be observed by counter value changing when the button is pressed.
+This example shows how to use InterruptIn to trigger a function call when a certain event happens. The example demonstrates calling a function on the rising edge of a button press. You can observe this through the counter value changing when the button is pressed.

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,3 @@`
`1`	`1`	`# InterruptIn example`
`2`	`2`
`3`		`-This example shows how to use InterruptIn to trigger function call when a certain event happens. The example demonstrates calling a function when a button is pressed. Specifically on the rising edge of a button press. This can be observed by counter value changing when the button is pressed.`
	`3`	`+This example shows how to use InterruptIn to trigger a function call when a certain event happens. The example demonstrates calling a function on the rising edge of a button press. You can observe this through the counter value changing when the button is pressed.`