diff --git a/openssl/src/pkey.rs b/openssl/src/pkey.rs
index 419288b6..9f100075 100644
--- a/openssl/src/pkey.rs
+++ b/openssl/src/pkey.rs
@@ -24,7 +24,7 @@
 //!
 //! # Example
 //!
-//! Generate a 2048-bit RSA public/private key pair.
+//! Generate a 2048-bit RSA public/private key pair and print the public key.
 //!
 //! ```rust
 //!
@@ -32,10 +32,14 @@
 //!
 //! use openssl::rsa::Rsa;
 //! use openssl::pkey::PKey;
+//! use std::str;
 //!
 //! fn main() {
 //!     let rsa = Rsa::generate(2048).unwrap();
 //!     let pkey = PKey::from_rsa(rsa).unwrap();
+//!
+//!     let pub_key: Vec<u8> = pkey.public_key_to_pem().unwrap();
+//!     println!("{:?}", str::from_utf8(pub_key.as_slice()).unwrap());
 //! }
 //! ```