Fix minor typos found by Frederik Schwarzer

plugins/customtoolsplugins/shorturlplugin/shorturl/shorturlwidgetng.cpp

@@ -220,7 +220,7 @@ void ShortUrlWidgetNg::slotShortUrlDone(const QString &url)
 
 void ShortUrlWidgetNg::slotShortUrlFailed(const QString &errMsg)
 {
-    KMessageBox::error(this, i18n("An error occurs: \"%1\"", errMsg));
+    KMessageBox::error(this, i18n("An error occurred: \"%1\"", errMsg));
     mIndicatorLabel->stop();
 }
 

plugins/webengineurlinterceptor/adblock/lib/widgets/adblocklistwidget.cpp

@@ -63,7 +63,7 @@ void AdBlockListWidget::paintEvent(QPaintEvent *event)
         }
         p.setPen(mTextColor);
 
-        p.drawText(QRect(0, 0, width(), height()), Qt::AlignCenter, i18n("Not subscription added..."));
+        p.drawText(QRect(0, 0, width(), height()), Qt::AlignCenter, i18n("No subscription added"));
     } else {
         QListWidget::paintEvent(event);
     }

plugins/webengineurlinterceptor/adblock/lib/widgets/adblockshowlistdialog.cpp

@@ -132,7 +132,7 @@ void AdBlockShowListDialog::slotFinished(KJob *job)
 {
     mProgress->stop();
     if (job->error()) {
-        mTextEdit->editor()->setPlainText(i18n("An error occurs during download list: \"%1\"", job->errorString()));
+        mTextEdit->editor()->setPlainText(i18n("An error occurred while downloading the list: \"%1\"", job->errorString()));
         if (mUser1Button) {
             mUser1Button->show();
             mUser1Button->setEnabled(true);