Fix a couple more typos

src/base58.h

@@ -70,7 +70,7 @@ inline std::string EncodeBase58(const std::vector<unsigned char>& vch)
 }
 
 // Decode a base58-encoded string psz into byte vector vchRet
-// returns true if decoding is succesful
+// returns true if decoding is successful
 inline bool DecodeBase58(const char* psz, std::vector<unsigned char>& vchRet)
 {
     CAutoBN_CTX pctx;

src/qt/test/uritests.cpp

@@ -59,7 +59,7 @@ void URITests::uriTests()
     QVERIFY(rv.address == QString("175tWpb8K1S7NmH4Zx6rewF9WQrcZv245W"));
     QVERIFY(rv.label == QString());
 
-    // We currently dont implement the message paramenter (ok, yea, we break spec...)
+    // We currently don't implement the message parameter (ok, yea, we break spec...)
     uri.setUrl(QString("bitcoin:175tWpb8K1S7NmH4Zx6rewF9WQrcZv245W?req-message=Wikipedia Example Address"));
     QVERIFY(!GUIUtil::parseBitcoinURI(uri, &rv));
 

src/test/mruset_tests.cpp

@@ -71,7 +71,7 @@ int static permute(int n)
     return ret;
 }
 
-// Test that an mruset acts like a moving window, if no duplcate elements are added
+// Test that an mruset acts like a moving window, if no duplicate elements are added
 BOOST_AUTO_TEST_CASE(mruset_window)
 {
     mruset<int> mru(MAX_SIZE);