Fix some typos

src/blockencodings.cpp

@@ -62,7 +62,7 @@ ReadStatus PartiallyDownloadedBlock::InitData(const CBlockHeaderAndShortTxIDs& c
         if (cmpctblock.prefilledtxn[i].tx->IsNull())
             return READ_STATUS_INVALID;
 
-        lastprefilledindex += cmpctblock.prefilledtxn[i].index + 1; //index is a uint16_t, so cant overflow here
+        lastprefilledindex += cmpctblock.prefilledtxn[i].index + 1; //index is a uint16_t, so can't overflow here
         if (lastprefilledindex > std::numeric_limits<uint16_t>::max())
             return READ_STATUS_INVALID;
         if ((uint32_t)lastprefilledindex > cmpctblock.shorttxids.size() + i) {

src/crypto/ctaes/test.c

@@ -102,7 +102,7 @@ int main(void) {
         }
     }
     if (fail == 0) {
-        fprintf(stderr, "All tests succesful\n");
+        fprintf(stderr, "All tests successful\n");
     } else {
         fprintf(stderr, "%i tests failed\n", fail);
     }

src/main.cpp

@@ -4974,7 +4974,7 @@ void static ProcessGetData(CNode* pfrom, const Consensus::Params& consensusParam
                     else if (inv.type == MSG_CMPCT_BLOCK)
                     {
                         // If a peer is asking for old blocks, we're almost guaranteed
-                        // they wont have a useful mempool to match against a compact block,
+                        // they won't have a useful mempool to match against a compact block,
                         // and we don't feel like constructing the object for them, so
                         // instead we respond with the full, non-compact block.
                         bool fPeerWantsWitness = State(pfrom->GetId())->fWantsCmpctWitness;

src/qt/optionsmodel.h

@@ -81,7 +81,7 @@ private:
     int nDisplayUnit;
     QString strThirdPartyTxUrls;
     bool fCoinControlFeatures;
-    /* settings that were overriden by command-line */
+    /* settings that were overridden by command-line */
     QString strOverriddenByCommandLine;
 
     // Add option to list of GUI options overridden through command line/config file

src/support/lockedpool.h

@@ -109,7 +109,7 @@ private:
  * An arena manages a contiguous region of memory. The pool starts out with one arena
  * but can grow to multiple arenas if the need arises.
  *
- * Unlike a normal C heap, the administrative structures are seperate from the managed
+ * Unlike a normal C heap, the administrative structures are separate from the managed
  * memory. This has been done as the sizes and bases of objects are not in themselves sensitive
  * information, as to conserve precious locked memory. In some operating systems
  * the amount of memory that can be locked is small.

src/test/bitcoin-util-test.py

@@ -15,7 +15,7 @@ help_text="""Test framework for bitcoin utils.
 
 Runs automatically during `make check`.
 
-Can also be run manually from the src directory by specifiying the source directory:
+Can also be run manually from the src directory by specifying the source directory:
 
 test/bitcoin-util-test.py --srcdir='srcdir' [--verbose]
 """

src/test/limitedmap_tests.cpp

@@ -47,7 +47,7 @@ BOOST_AUTO_TEST_CASE(limitedmap_test)
         // make sure the item is present
         BOOST_CHECK(map.count(i) == 1);
 
-        // use the iterator to check for the expected key adn value
+        // use the iterator to check for the expected key and value
         BOOST_CHECK(it->first == i);
         BOOST_CHECK(it->second == i + 1);
         

src/txmempool.h

@@ -62,7 +62,7 @@ class CTxMemPool;
 
 /** \class CTxMemPoolEntry
  *
- * CTxMemPoolEntry stores data about the correponding transaction, as well
+ * CTxMemPoolEntry stores data about the corresponding transaction, as well
  * as data about all in-mempool transactions that depend on the transaction
  * ("descendant" transactions).
  *