Fix misc typos

src/init.cpp

@@ -1196,7 +1196,7 @@ bool AppInit2(ThreadHandlerPtr threads)
     std::vector<std::pair<fs::path, uintmax_t>> block_data_files_to_load;
 
     // If -reindex argument passed at startup, then remove existing txleveldb and accrual directories and renaming the
-    // exising block data files from blk*.dat to blk*.dat.orig to prepare for reloading index from block data files.
+    // existing block data files from blk*.dat to blk*.dat.orig to prepare for reloading index from block data files.
     // This is the first half of reindex. The second half is below in the import blocks section.
     if (gArgs.GetBoolArg("-reindex")) {
         uiInterface.InitMessage(_("Resetting block chain index to prepare for reindexing..."));

src/rpc/blockchain.cpp

@@ -2569,7 +2569,7 @@ UniValue createmrcrequest(const UniValue& params, const bool fHelp) {
 
     if (!dry_run && !force) {
         if (found) {
-            throw runtime_error("Oustanding MRC request already present in the mempool for CPID.");
+            throw runtime_error("Outsanding MRC request already present in the mempool for CPID.");
         }
 
         if (pos >= limit) {

src/test/gridcoin/mrc_tests.cpp

@@ -36,7 +36,7 @@ struct Setup {
         pindex->nVersion = 12;
         pindex->phashBlock = phash;
         // Needed because this code does not mock superblocks and inclusion of m_accrual
-        // into the calculated accrual is dependant on a block's height being
+        // into the calculated accrual is dependent on a block's height being
         // lower than the last superblock's.
         // TODO(div72): Improve mockability of Tally.
         pindex->nHeight = -1;

src/test/util_tests.cpp

@@ -135,7 +135,7 @@ BOOST_AUTO_TEST_CASE(util_HexStr)
 
 BOOST_AUTO_TEST_CASE(util_DateTimeStrFormat)
 {
-/*These are platform-dependant and thus removed to avoid useless test failures
+/*These are platform-dependent and thus removed to avoid useless test failures
     BOOST_CHECK_EQUAL(DateTimeStrFormat("%x %H:%M:%S", 0), "01/01/70 00:00:00");
     BOOST_CHECK_EQUAL(DateTimeStrFormat("%x %H:%M:%S", 0x7FFFFFFF), "01/19/38 03:14:07");
     // Formats used within Bitcoin