diff --git a/src/init.cpp b/src/init.cpp
index 5dc3ac023c..cb3dfe3aa4 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -410,7 +410,7 @@ std::string HelpMessage(HelpMessageMode mode)
         strUsage += HelpMessageOpt("-limitancestorsize=<n>", strprintf("Do not accept transactions whose size with all in-mempool ancestors exceeds <n> kilobytes (default: %u)", DEFAULT_ANCESTOR_SIZE_LIMIT));
         strUsage += HelpMessageOpt("-limitdescendantcount=<n>", strprintf("Do not accept transactions if any ancestor would have <n> or more in-mempool descendants (default: %u)", DEFAULT_DESCENDANT_LIMIT));
         strUsage += HelpMessageOpt("-limitdescendantsize=<n>", strprintf("Do not accept transactions if any ancestor would have more than <n> kilobytes of in-mempool descendants (default: %u).", DEFAULT_DESCENDANT_SIZE_LIMIT));
-        strUsage += HelpMessageOpt("-bip9params=deployment:start:end", "Use given start/end times for specified bip9 deployment (regtest-only)");
+        strUsage += HelpMessageOpt("-bip9params=deployment:start:end", "Use given start/end times for specified BIP9 deployment (regtest-only)");
     }
     string debugCategories = "addrman, alert, bench, coindb, db, http, libevent, lock, mempool, mempoolrej, net, proxy, prune, rand, reindex, rpc, selectcoins, tor, zmq"; // Don't translate these and qt below
     if (mode == HMM_BITCOIN_QT)
@@ -977,7 +977,7 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
     }
 
     if (!mapMultiArgs["-bip9params"].empty()) {
-        // Allow overriding bip9 parameters for testing
+        // Allow overriding BIP9 parameters for testing
         if (!Params().MineBlocksOnDemand()) {
             return InitError("BIP9 parameters may only be overridden on regtest.");
         }
@@ -996,10 +996,10 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
                 return InitError(strprintf("Invalid nTimeout (%s)", vDeploymentParams[2]));
             }
             bool found = false;
-            for (int i=0; i<(int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; ++i)
+            for (int j=0; j<(int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; ++j)
             {
-                if (vDeploymentParams[0].compare(VersionBitsDeploymentInfo[i].name) == 0) {
-                    UpdateRegtestBIP9Parameters(Consensus::DeploymentPos(i), nStartTime, nTimeout);
+                if (vDeploymentParams[0].compare(VersionBitsDeploymentInfo[j].name) == 0) {
+                    UpdateRegtestBIP9Parameters(Consensus::DeploymentPos(j), nStartTime, nTimeout);
                     found = true;
                     LogPrintf("Setting BIP9 activation parameters for %s to start=%ld, timeout=%ld\n", vDeploymentParams[0], nStartTime, nTimeout);
                     break;