diff --git a/doc/classes/CameraAttributesPhysical.xml b/doc/classes/CameraAttributesPhysical.xml
index 585e8578131..31c8b12c213 100644
--- a/doc/classes/CameraAttributesPhysical.xml
+++ b/doc/classes/CameraAttributesPhysical.xml
@@ -32,7 +32,7 @@
Only available when [member ProjectSettings.rendering/lights_and_shadows/use_physical_light_units] is enabled.
- Time for shutter to open and close, measured in seconds. A higher value will let in more light leading to a brighter image, while a lower amount will let in less light leading to a darker image.
+ Time for shutter to open and close, evaluated as [code]1 / shutter_speed[/code] seconds. A higher value will allow less light (leading to a darker image), while a lower value will allow more light (leading to a brighter image).
Only available when [member ProjectSettings.rendering/lights_and_shadows/use_physical_light_units] is enabled.