Fix typos

cryptograpic => cryptographic
Signed-off-by: NRich Salz <rsalz@openssl.org>
Reviewed-by: NMatt Caswell <matt@openssl.org>

README

@@ -11,7 +11,7 @@
  The OpenSSL Project is a collaborative effort to develop a robust,
  commercial-grade, fully featured, and Open Source toolkit implementing the
  Secure Sockets Layer (SSLv3) and Transport Layer Security (TLS) protocols as
- well as a full-strength general purpose cryptograpic library. The project is
+ well as a full-strength general purpose cryptographic library. The project is
  managed by a worldwide community of volunteers that use the Internet to
  communicate, plan, and develop the OpenSSL toolkit and its related
  documentation.