Merge pull request #27 from neophyt3/fix-typos

Fix typos

README.md

@@ -317,7 +317,8 @@ fn main() {
 }
 ```
 
-The `{}` in `println!` means "put the variable inside here". This prints `Hello world number 8`.
+The `{}` in `println!` means "put the variable inside here". This prints `Hello world number 8!`.
+
 
 We can put more in:
 
@@ -333,7 +334,7 @@ Now let's create the function.
 
 ```rust
 fn main() {
-    println!("Hello, world number {}", number());
+    println!("Hello, world number {}!", number());
 }
 
 fn number() -> i32 {
@@ -1224,7 +1225,7 @@ fn main() {
                               // No problem, because my_number is copy type!
 }
 
-prints_number(number: i32) { // No return with ->
+fn prints_number(number: i32) { // No return with ->
                              // If number was not copy type, it would take it
                              // and we couldn't use it again
     println!("{}", number);