Merge pull request #71 from Rust-for-Linux/dev/fix-example-header

fix `Example` header

Author: BennoLossin

src/lib.rs

@@ -953,7 +953,7 @@ macro_rules! try_init {
 /// Asserts that a field on a struct using `#[pin_data]` is marked with `#[pin]` ie. that it is
 /// structurally pinned.
 ///
-/// # Example
+/// # Examples
 ///
 /// This will succeed:
 /// ```