fix typos

src/pattern-match/match-iflet.md

@@ -65,7 +65,7 @@ fn main() {
 
 fn show_message(msg: Message) {
     match msg {
-        __ => { // matches  Message::Move
+        __ => { // match  Message::Move
             assert_eq!(a, 1);
             assert_eq!(b, 3);
         },
@@ -166,11 +166,11 @@ fn main() {
 
     // remove the codes below, using `match` instead 
     if let Foo::Bar = a {
-        println!("matches foo::bar")
+        println!("match foo::bar")
     } else if let Foo::Baz = a {
-        println!("matches foo::baz")
+        println!("match foo::baz")
     } else {
-        println!("matches others")
+        println!("match others")
     }
 }
 ```

src/pattern-match/option.md

@@ -1 +0,0 @@
-# Option destructing

src/pattern-match/patterns.md

@@ -1 +1,23 @@
 # Patterns
+
+🌟🌟 Using `|` to match several values.
+```rust,editable
+
+fn main() {}
+fn match_number(n: i32) {
+    match n {
+        // match a single value
+        1 => println!("One!"),
+        // fill in the blank with `|`, DON'T use `..` ofr `..=`
+        __ => println!("match 2 -> 5"),
+        // match an inclusive range
+        6..=10 => {
+            println!("match 6 -> 10")
+        },
+        _ => {
+            println!("match 11 -> +infinite")
+        }
+    }
+}
+```
+