Re-add i18n comments that were lost in the DolphinWX removal

Source/Core/DolphinQt/Debugger/RegisterWidget.cpp

@@ -118,6 +118,8 @@ void RegisterWidget::ShowContextMenu()
     auto type = static_cast<RegisterType>(item->data(DATA_TYPE).toInt());
     auto display = item->GetDisplay();
 
+    // i18n: This kind of "watch" is used for watching emulated memory.
+    // It's not related to timekeeping devices.
     menu->addAction(tr("Add to &watch"), this,
                     [this, item] { emit RequestMemoryBreakpoint(item->GetValue()); });
     menu->addAction(tr("View &memory"));

Source/Core/DolphinQt/Debugger/WatchWidget.cpp

@@ -125,9 +125,12 @@ void WatchWidget::Update()
 
   m_table->setRowCount(size + 1);
 
-  m_table->setHorizontalHeaderLabels({tr("Label"), tr("Address"), tr("Hexadecimal"), tr("Decimal"),
-                                      // i18n: Data type used in computing
-                                      tr("String")});
+  m_table->setHorizontalHeaderLabels(
+      {tr("Label"), tr("Address"), tr("Hexadecimal"),
+       // i18n: The base 10 numeral system. Not related to non-integer numbers
+       tr("Decimal"),
+       // i18n: Data type used in computing
+       tr("String")});
 
   for (int i = 0; i < size; i++)
   {