Fix typos

qa/rpc-tests/receivedby.py

@@ -14,7 +14,7 @@ from decimal import Decimal
 def get_sub_array_from_array(object_array, to_match):
     '''
     Finds and returns a sub array from an array of arrays.
-    to_match should be a unique idetifier of a sub array
+    to_match should be a unique identifier of a sub array
     '''
     for item in object_array:
         all_match = True

src/cuckoocache.h

@@ -281,7 +281,7 @@ private:
      *
      * First, epoch_check decrements and checks the cheap heuristic, and then does
      * a more expensive scan if the cheap heuristic runs out. If the expensive
-     * scan suceeds, the epochs are aged and old elements are allow_erased. The
+     * scan succeeds, the epochs are aged and old elements are allow_erased. The
      * cheap heuristic is reset to retrigger after the worst case growth of the
      * current epoch's elements would exceed the epoch_size.
      */

src/test/merkle_tests.cpp

@@ -235,7 +235,7 @@ BOOST_AUTO_TEST_CASE(merkle_test)
             // If no mutation was done (once for every ntx value), try up to 16 branches.
             if (mutate == 0) {
                 for (int loop = 0; loop < std::min(ntx, 16); loop++) {
-                    // If ntx <= 16, try all branches. Otherise, try 16 random ones.
+                    // If ntx <= 16, try all branches. Otherwise, try 16 random ones.
                     int mtx = loop;
                     if (ntx > 16) {
                         mtx = InsecureRandRange(ntx);