message: [trivial] fix two typos in ConnectBlockScopeExit comments
diff: @@ -1973,11 +1973,11 @@ static void ConnectBlockScopeExit(bool fParallel,
  CCheckQueue<CScriptCheck> *pScriptQueue)
  {
  // Typically the script validations would be stopped by issuing a PV->Quit() however under
  - // certain conditions block validation may retur early from some error or if the chain tip has changed
  + // certain conditions block validation may return early from some error or if the chain tip has changed
  // during block validation. So here we make sure to stop the script validation threads. This prevents a
  // long to validate block from continuing to use resources when it is in fact not even a valid block.
  //
  - // In the typcial case we will end up issuing the Quit() twice. This is fine because all were doing
  + // In the typical case we will end up issuing the Quit() twice. This is fine because all were doing
  // is setting a boolean flag.
  pScriptQueue->Quit();
  