[URP] [Docs] Add details about Camera StopNans

This PR slightly updates doc page https://docs.unity3d.com/Packages/[email protected]/manual/camera-component-reference.html to add details about how to enable StopNans.
Based on information from thread https://unity.slack.com/archives/C89KFUUCT/p1715078059200189

Author: Wilfrid-Unity

Packages/com.unity.render-pipelines.universal/Documentation~/camera-component-reference.md

@@ -84,7 +84,7 @@ Overlay cameras expose the following properties:
 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;*Jitter Scale* | Set the scale of the jitter applied when TAA is enabled. A lower value reduces visible flickering and jittering, but also reduces the effectiveness of the anti-aliasing.<br/><br/>This property only appears when you select **Temporal Anti-aliasing (TAA)** from the **Anti-aliasing** drop-down and enable **Show Additional Properties** in the Inspector. |
 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;*Mip Bias* | Set how much texture mipmap selection is biased when rendering.<br/><br/>A positive bias makes a texture appear more blurry, while a negative bias sharpens the texture. However, a lower value also has a negative impact on performance.<br/><br/>**Note**: Requires mipmaps in textures.<br/><br/>This property only appears when you select **Temporal Anti-aliasing (TAA)** from the **Anti-aliasing** drop-down and enable **Show Additional Properties** in the Inspector. |
 | &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;*Variance Clamp Scale* | Set the size of the color volume Unity uses to find nearby pixels when the color history is incorrect or unavailable. To do this, the clamp limits how much a pixel's color can vary from the color of the pixels that surround it.<br/><br/>Lower values can reduce ghosting, but produce more flickering. Higher values reduce flickering, but are prone to blur and ghosting.<br/><br/>This property only appears when you select **Temporal Anti-aliasing (TAA)** from the **Anti-aliasing** drop-down and enable **Show Additional Properties** in the Inspector. |
-| **Stop NaNs** | Enable the checkbox to make this camera replace values that are Not a Number (NaN) with a black pixel. This stops certain effects from breaking, but is a resource-intensive process. Only enable this feature if you experience NaN issues that you can not fix.<br/><br/>This property is only visible when **Render Type** is set to **Base**. |
+| **Stop NaNs** | Enable the checkbox to make this camera replace values that are Not a Number (NaN) with a black pixel. This stops certain effects from breaking, but is a resource-intensive process. Only enable this feature if you experience NaN issues that you can not fix.<br/><br/>This property is only visible when **Render Type** is set to **Base**.<br/>The Stop NaNs pass executes at the start of the post-processing passes. You must enable **Post Processing** for the camera to use **Stop NaNs**.  |
 | **Dithering** | Enable the checkbox to apply 8-bit dithering to the final render. This can help reduce banding on wide gradients and low light areas.<br/><br/>This property is only visible when **Render Type** is set to **Base**. |
 | **Clear Depth** | Enable to clear depth from previous camera on rendering.<br/><br/>This property is only visible when **Render Type** is set to **Overlay**. |
 | **Render Shadows** | Enable shadow rendering. |