Fix grammar in E0283 explanation

Sergei Vorobev · Sergei Vorobev · commit e8d028140e08 · 2019-01-31T22:26:19.000-08:00
diff --git a/src/librustc/diagnostics.rs b/src/librustc/diagnostics.rs
@@ -1187,7 +1187,7 @@ impl Generator for AnotherImpl {
 fn main() {
     let cont: u32 = Generator::create();
     // error, impossible to choose one of Generator trait implementation
-    // Impl or AnotherImpl? Maybe anything else?
+    // Should it be Impl or AnotherImpl, maybe something else?
 }
 ```
 

Original file line number	Diff line number	Diff line change
`@@ -1187,7 +1187,7 @@ impl Generator for AnotherImpl {`
`1187`	`1187`	`fn main() {`
`1188`	`1188`	`let cont: u32 = Generator::create();`
`1189`	`1189`	`// error, impossible to choose one of Generator trait implementation`
`1190`		`- // Impl or AnotherImpl? Maybe anything else?`
	`1190`	`+ // Should it be Impl or AnotherImpl, maybe something else?`
`1191`	`1191`	`}`
`1192`	`1192`	```
`1193`	`1193`