trivial: comment tweaks

src/rpc/blockchain.cpp

@@ -1517,7 +1517,7 @@ static void SoftForkDescPushBack(const CBlockIndex* active_chain_tip, UniValue&
 }
 
 namespace {
-/* TODO: when -dprecatedrpc=softforks is removed, drop these */
+/* TODO: when -deprecatedrpc=softforks is removed, drop these */
 UniValue DeploymentInfo(const CBlockIndex* tip, const Consensus::Params& consensusParams);
 extern const std::vector<RPCResult> RPCHelpForDeployment;
 }

src/versionbits.cpp

@@ -107,7 +107,7 @@ BIP9Stats AbstractThresholdConditionChecker::GetStateStatisticsFor(const CBlockI
 
     if (pindex == nullptr) return stats;
 
-    // Find beginning of period
+    // Find how many blocks are in the current period
     int blocks_in_period = 1 + (pindex->nHeight % stats.period);
 
     // Reset signalling_blocks