Typo fixes to evp documentation.

This patch was submitted by user "Kox" via the wiki

Reviewed-by: Tim Hudson <tjh@openssl.org>

doc/crypto/EVP_DigestVerifyInit.pod

diff --git a/doc/crypto/EVP_DigestVerifyInit.pod b/doc/crypto/EVP_DigestVerifyInit.pod
index c59866c..e0217e4 100644
--- a/doc/crypto/EVP_DigestVerifyInit.pod
+++ b/doc/crypto/EVP_DigestVerifyInit.pod
@@ -38,7 +38,7 @@
 the operation is not supported by the public key algorithm.
 
 Unlike other functions the return value 0 from EVP_DigestVerifyFinal() only
-indicates that the signature did not not verify successfully (that is tbs did
+indicates that the signature did not verify successfully (that is tbs did
 not match the original data or the signature was of invalid form) it is not an
 indication of a more serious error.
 
@@ -59,7 +59,7 @@
 or the operation will fail. 
 
 The call to EVP_DigestVerifyFinal() internally finalizes a copy of the digest
-context. This means that calls to EVP_VerifyUpdate() and EVP_VerifyFinal() can
+context. This means that EVP_VerifyUpdate() and EVP_VerifyFinal() can
 be called later to digest and verify additional data.
 
 Since only a copy of the digest context is ever finalized the context must