diff --git a/doc/classes/RenderingServer.xml b/doc/classes/RenderingServer.xml
index 825d26dc98d..50dbb3259c4 100644
--- a/doc/classes/RenderingServer.xml
+++ b/doc/classes/RenderingServer.xml
@@ -5333,6 +5333,7 @@
 		</constant>
 		<constant name="VIEWPORT_DEBUG_DRAW_SDFGI_PROBES" value="17" enum="ViewportDebugDraw">
 			Draws SDFGI probe data. This is the data structure that is used to give indirect lighting dynamic objects moving within the scene.
+			When in the editor, left-clicking a probe will display additional bright dots that show its occlusion information. A white dot means the light is not occluded at all at the dot's position, while a red dot means the light is fully occluded. Intermediate values are possible.
 			[b]Note:[/b] Only supported when using the Forward+ rendering method.
 		</constant>
 		<constant name="VIEWPORT_DEBUG_DRAW_GI_BUFFER" value="18" enum="ViewportDebugDraw">
diff --git a/doc/classes/Viewport.xml b/doc/classes/Viewport.xml
index 5b41c5f3b63..e2449515373 100644
--- a/doc/classes/Viewport.xml
+++ b/doc/classes/Viewport.xml
@@ -713,6 +713,7 @@
 		</constant>
 		<constant name="DEBUG_DRAW_SDFGI_PROBES" value="17" enum="DebugDraw">
 			Draws the probes used for signed distance field global illumination (SDFGI).
+			When in the editor, left-clicking a probe will display additional bright dots that show its occlusion information. A white dot means the light is not occluded at all at the dot's position, while a red dot means the light is fully occluded. Intermediate values are possible.
 			Does nothing if the current environment's [member Environment.sdfgi_enabled] is [code]false[/code].
 			[b]Note:[/b] Only supported when using the Forward+ rendering method.
 		</constant>
diff --git a/editor/scene/3d/node_3d_editor_plugin.cpp b/editor/scene/3d/node_3d_editor_plugin.cpp
index 6ec64f41105..624051f537d 100644
--- a/editor/scene/3d/node_3d_editor_plugin.cpp
+++ b/editor/scene/3d/node_3d_editor_plugin.cpp
@@ -6156,7 +6156,7 @@ Node3DEditorViewport::Node3DEditorViewport(Node3DEditor *p_spatial_editor, int p
 	_add_advanced_debug_draw_mode_item(display_submenu, TTRC("SDFGI Cascades"), VIEW_DISPLAY_DEBUG_SDFGI, SupportedRenderingMethods::FORWARD_PLUS,
 			TTRC("Requires SDFGI to be enabled in Environment to have a visible effect."));
 	_add_advanced_debug_draw_mode_item(display_submenu, TTRC("SDFGI Probes"), VIEW_DISPLAY_DEBUG_SDFGI_PROBES, SupportedRenderingMethods::FORWARD_PLUS,
-			TTRC("Requires SDFGI to be enabled in Environment to have a visible effect."));
+			TTRC("Left-click a SDFGI probe to display its occlusion information (white = not occluded, red = fully occluded).\nRequires SDFGI to be enabled in Environment to have a visible effect."));
 	display_submenu->add_separator();
 	_add_advanced_debug_draw_mode_item(display_submenu, TTRC("Scene Luminance"), VIEW_DISPLAY_DEBUG_SCENE_LUMINANCE, SupportedRenderingMethods::FORWARD_PLUS_MOBILE,
 			TTRC("Displays the scene luminance computed from the 3D buffer. This is used for Auto Exposure calculation.\nRequires Auto Exposure to be enabled in CameraAttributes to have a visible effect."));