day 9 fixes

Asabeneh · Asabeneh · commit 57f90ab9cbf4 · 2020-01-10T20:23:00.000+02:00
diff --git a/09_Day/09_day_higher_order_functions.md b/09_Day/09_day_higher_order_functions.md
@@ -55,7 +55,7 @@ A callback is a function which can be passed as parameter to other function. See
 
 ```js
 // a callback function, the function could be any name
-const callBack = (n) => {
+const callback = (n) => {
   return n ** 2
 }
 ​
@@ -160,7 +160,7 @@ In JavaScript, we use setTimeout higher order function to execute some action at
 
 ```js
 // syntax
-function callBack() {
+function callback() {
   // code goes here
 }
 setTimeout(callback, duration) // duration in milliseconds

Original file line number	Diff line number	Diff line change
`@@ -55,7 +55,7 @@ A callback is a function which can be passed as parameter to other function. See`
`55`	`55`
`56`	`56`	```js
`57`	`57`	`// a callback function, the function could be any name`
`58`		`-const callBack = (n) => {`
	`58`	`+const callback = (n) => {`
`59`	`59`	`return n ** 2`
`60`	`60`	`}`
`61`	`61`
`@@ -160,7 +160,7 @@ In JavaScript, we use setTimeout higher order function to execute some action at`
`160`	`160`
`161`	`161`	```js
`162`	`162`	`// syntax`
`163`		`-function callBack() {`
	`163`	`+function callback() {`
`164`	`164`	`// code goes here`
`165`	`165`	`}`
`166`	`166`	`setTimeout(callback, duration) // duration in milliseconds`