Update blog.md

Cupnfish · web-flow · commit 2f96bf0075c9 · 2021-03-12T18:18:18.000+08:00
diff --git a/blog/blog.md b/blog/blog.md
@@ -104,7 +104,7 @@ Example:
 ```rust
 for (transform,speed,power) in query.iter() {
     if power.is_some() {
-        // This means that the results of this query are Player.
+        // This means that the results of this iter belong Player.
     }
 }
 ```

Original file line number	Diff line number	Diff line change
`@@ -104,7 +104,7 @@ Example:`
`104`	`104`	```rust
`105`	`105`	`for (transform,speed,power) in query.iter() {`
`106`	`106`	`if power.is_some() {`
`107`		`- // This means that the results of this query are Player.`
	`107`	`+ // This means that the results of this iter belong Player.`
`108`	`108`	`}`
`109`	`109`	`}`
`110`	`110`	```