Fix spelling in comments

src/corelib/io/qfilesystemengine_symbian.cpp

@@ -378,7 +378,7 @@ bool QFileSystemEngine::setCurrentPath(const QFileSystemEntry &entry)
     if(!abspath.endsWith(QLatin1Char('\\')))
         abspath.append(QLatin1Char('\\'));
     TInt r = fs.SetSessionPath(qt_QString2TPtrC(abspath));
-    //SetSessionPath succeeds for non existant directory, which is why it's checked above
+    //SetSessionPath succeeds for non existent directory, which is why it's checked above
     if (r == KErrNone) {
         __ASSERT_COMPILE(sizeof(wchar_t) == sizeof(unsigned short));
         //attempt to set open C to the same path

src/corelib/io/qfilesystemengine_win.cpp

@@ -378,7 +378,7 @@ static QString readLink(const QFileSystemEntry &link)
 
 static bool uncShareExists(const QString &server)
 {
-    // This code asumes the UNC path is always like \\?\UNC\server...
+    // This code assumes the UNC path is always like \\?\UNC\server...
     QStringList parts = server.split(QLatin1Char('\\'), QString::SkipEmptyParts);
     if (parts.count() >= 3) {
         QStringList shares;

tests/auto/qdir/tst_qdir.cpp

@@ -928,7 +928,7 @@ void tst_QDir::current()
 
     if (!path.isEmpty()) {
         bool b = QDir::setCurrent(path);
-        // If path is non existant, then setCurrent should be false (currentDir is empty in testData)
+        // If path is non existent, then setCurrent should be false (currentDir is empty in testData)
         QVERIFY(b == !currentDir.isEmpty());
     }
     if (!currentDir.isEmpty()) {

tests/auto/qfile/tst_qfile.cpp

@@ -414,7 +414,7 @@ void tst_QFile::cleanupTestCase()
 // attributes and the contents itself
 // will be changed as far as we have a
 // proper way to handle files in the
-// testing enviroment.
+// testing environment.
 //------------------------------------------
 
 void tst_QFile::exists()
@@ -1702,7 +1702,7 @@ void tst_QFile::seekAfterEndOfFile()
 
 void tst_QFile::FILEReadWrite()
 {
-    // Tests modifing a file. First creates it then reads in 4 bytes and then overwrites these
+    // Tests modifying a file. First creates it then reads in 4 bytes and then overwrites these
     // 4 bytes with new values. At the end check to see the file contains the new values.
 
     QFile::remove("FILEReadWrite.txt");

tests/auto/qfiledialog/tst_qfiledialog.cpp

@@ -187,7 +187,7 @@ class MyAbstractItemDelegate : public QAbstractItemDelegate
     QSize sizeHint(const QStyleOptionViewItem &, const QModelIndex &) const { return QSize(); }
 };
 
-// emited any time the selection model emits current changed
+// emitted any time the selection model emits current changed
 void tst_QFiledialog::currentChangedSignal()
 {
     QNonNativeFileDialog fd;
@@ -212,7 +212,7 @@ void tst_QFiledialog::currentChangedSignal()
     QCOMPARE(spyCurrentChanged.count(), 1);
 }
 
-// only emited from the views, sidebar, or lookin combo
+// only emitted from the views, sidebar, or lookin combo
 void tst_QFiledialog::directoryEnteredSignal()
 {
 #if defined QT_BUILD_INTERNAL
@@ -273,7 +273,7 @@ void tst_QFiledialog::filesSelectedSignal_data()
     QTest::newRow("existingFiles") << QFileDialog::ExistingFiles;
 }
 
-// emited when the dialog closes with the selected files
+// emitted when the dialog closes with the selected files
 void tst_QFiledialog::filesSelectedSignal()
 {
     QNonNativeFileDialog fd;
@@ -317,7 +317,7 @@ void tst_QFiledialog::filesSelectedSignal()
     QCOMPARE(spyFilesSelected.count(), 1);
 }
 
-// only emited when the combo box is activated
+// only emitted when the combo box is activated
 void tst_QFiledialog::filterSelectedSignal()
 {
     QNonNativeFileDialog fd;

tests/auto/qfileinfo/tst_qfileinfo.cpp

@@ -1653,8 +1653,8 @@ void tst_QFileInfo::owner()
     DWORD  bufSize = 1024;
     if (GetUserNameW(usernameBuf, &bufSize)) {
         userName = QString::fromWCharArray(usernameBuf, bufSize);
-        // Special case : If the user is a member of Adminstrators group, all files
-        // created by the current user are owned by the Admistrators group.
+        // Special case : If the user is a member of Administrators group, all files
+        // created by the current user are owned by the Administrators group.
         LPLOCALGROUP_USERS_INFO_0 pBuf = NULL;
         DWORD dwLevel = 0;
         DWORD dwFlags = LG_INCLUDE_INDIRECT ;
@@ -1664,7 +1664,7 @@ void tst_QFileInfo::owner()
         NET_API_STATUS nStatus;
         nStatus = NetUserGetLocalGroups(0, usernameBuf, dwLevel, dwFlags, (LPBYTE *) &pBuf,
                                         dwPrefMaxLen, &dwEntriesRead, &dwTotalEntries);
-        // Check if the current user is a member of Adminstrators group
+        // Check if the current user is a member of Administrators group
         if (nStatus == NERR_Success && pBuf){
             for (int i = 0; i < dwEntriesRead; i++) {
                 QString groupName = QString::fromWCharArray(pBuf[i].lgrui0_name);