docs: fix RegExp.sticky example calling unicode, and unicode flag label

Author: mikaello

src/Core__RegExp.resi

@@ -263,17 +263,17 @@ See [`RegExp.sticky`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Re
 ## Examples
 ```rescript
 let regexp1 = RegExp.fromStringWithFlags("\\w+", ~flags="g")
-Console.log(regexp1->RegExp.unicode) // Logs `false`, since `y` is not set
+Console.log(regexp1->RegExp.sticky) // Logs `false`, since `y` is not set
 
 let regexp2 = RegExp.fromStringWithFlags("\\w+", ~flags="my")
-Console.log(regexp2->RegExp.unicode) // Logs `true`, since `y` is set
+Console.log(regexp2->RegExp.sticky) // Logs `true`, since `y` is set
 ```
 */
 @get
 external sticky: t => bool = "sticky"
 
 /**
-`unicode(regexp)` returns whether the unicode (`y`) flag is set on this `RegExp`.
+`unicode(regexp)` returns whether the unicode (`u`) flag is set on this `RegExp`.
 
 See [`RegExp.unicode`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/unicode) on MDN.