Qt: Add missing description box texts

Adds missing texts descriptions to VSync Internal Resolution Screenshots and Integer Scaling.

pcsx2-qt/Settings/GraphicsSettingsWidget.cpp

@@ -326,6 +326,15 @@ GraphicsSettingsWidget::GraphicsSettingsWidget(SettingsDialog* dialog, QWidget*
 	
 		dialog->registerWidgetHelp(m_ui.PCRTCAntiBlur, tr("Anti-Blur"), tr("Checked"),
 			tr("Enables internal Anti-Blur hacks. Less accurate to PS2 rendering but will make a lot of games look less blurry."));
+		
+		dialog->registerWidgetHelp(m_ui.vsync, tr("VSync"), tr("Unchecked"),
+			tr("Enable this option to match PCSX2's refresh rate with your current monitor or screen. VSync is automatically disabled when it is not possible (eg. running at non-100% speed)."));
+
+		dialog->registerWidgetHelp(m_ui.internalResolutionScreenshots, tr("Internal Resolution Screenshots"), tr("Unchecked"),
+			tr("Saves screenshots at internal render resolution and without postprocessing. If this option is disabled, the screenshots will be taken at the window's resolution. Internal resolution screenshots can be very large at high rendering scales."));
+
+		dialog->registerWidgetHelp(m_ui.integerScaling, tr("Integer Scaling"), tr("Unchecked"),
+			tr("Adds padding to the display area to ensure that the ratio between pixels on the host to pixels in the console is an integer number. May result in a sharper image in some 2D games."));
 	}
 
 	// Rendering tab

pcsx2-qt/Settings/GraphicsSettingsWidget.ui

@@ -315,7 +315,7 @@
          <item row="1" column="0">
           <widget class="QCheckBox" name="vsync">
            <property name="text">
-            <string>Sync To Host Refresh (VSync)</string>
+            <string>VSync</string>
            </property>
           </widget>
          </item>