crypto: doc - Fix typo in crypto-API.tmpl

This patch fix some spelling typo found in crypto-API.tmpl

Signed-off-by: Masanari Iida <[e-mail]>
Acked-by: Stephan Mueller <[e-mail]>
Signed-off-by: Herbert Xu <[e-mail]>

Documentation/DocBook/crypto-API.tmpl

···
 
     <para>
      Note: The terms "transformation" and cipher algorithm are used
-     interchangably.
+     interchangeably.
     </para>
    </sect1>
 
···
 
    <sect1><title>Zero-Copy Interface</title>
     <para>
-     In addition to the send/write/read/recv system call familty, the AF_ALG
+     In addition to the send/write/read/recv system call family, the AF_ALG
      interface can be accessed with the zero-copy interface of splice/vmsplice.
      As the name indicates, the kernel tries to avoid a copy operation into
      kernel space.