Fix some typos.

net/cert/cert_verify_proc_win.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/cert/cert_verify_proc_win.h"
 
 #include <memory>
 #include <string>
 #include <vector>
 
@@ skipping 931 matching lines @@
       (flags & CertVerifier::VERIFY_REV_CHECKING_ENABLED);
   if (rev_checking_enabled) {
     verify_result->cert_status |= CERT_STATUS_REV_CHECKING_ENABLED;
   } else {
     chain_flags |= CERT_CHAIN_REVOCATION_CHECK_CACHE_ONLY;
   }
 
   // By default, use the default HCERTCHAINENGINE (aka HCCE_CURRENT_USER). When
   // running tests, use a dynamic HCERTCHAINENGINE. All of the status and cache
   // of verified certificates and chains is tied to the HCERTCHAINENGINE. As
-  // each invocation may have changed the set of known roots, invalid the cache
-  // between runs.
+  // each invocation may have changed the set of known roots, invalidate the
+  // cache between runs.
   //
   // This is not the most efficient means of doing so; it's possible to mark the
   // Root store used by TestRootCerts as changed, via CertControlStore with the
   // CERT_STORE_CTRL_NOTIFY_CHANGE / CERT_STORE_CTRL_RESYNC, but that's more
   // complexity for what is test-only code.
   ScopedHCERTCHAINENGINE chain_engine(NULL);
   if (TestRootCerts::HasInstance())
     chain_engine.reset(TestRootCerts::GetInstance()->GetChainEngine());
 
   ScopedPCCERT_CONTEXT cert_list(cert->CreateOSCertChainForCert());
@@ skipping 181 matching lines @@
     return MapCertStatusToNetError(verify_result->cert_status);
 
   if (ev_policy_oid &&
       CheckEV(chain_context, rev_checking_enabled, ev_policy_oid)) {
     verify_result->cert_status |= CERT_STATUS_IS_EV;
   }
   return OK;
 }
 
 }  // namespace net