Unify "hashing" and "length" language in Multihash.

index.html

@@ -1814,9 +1814,9 @@ <h2>Multihash</h2>
 
           <p>
 To decode a Multihash value, an implementation MUST 1) remove the prepended
-Multihash header value, which identifies the type of cryptographic hash
-algorithm, 2) remove the cryptographic digest length in bytes, and 3) extract the
-raw cryptographic digest value which MUST match the expected output length
+Multihash header value, which identifies the type of cryptographic hashing
+algorithm, 2) remove the cryptographic digest length in bytes, and 3) extract
+the raw cryptographic digest value which MUST match the expected output length
 associated with the Multihash header as well as the output length provided in
 the Multihash value itself.
           </p>