diff --git a/docs/jwst/dark_current/description.rst b/docs/jwst/dark_current/description.rst index cc433f4c84..3f8824854f 100644 --- a/docs/jwst/dark_current/description.rst +++ b/docs/jwst/dark_current/description.rst @@ -6,8 +6,7 @@ Description Assumptions ----------- -It is assumed that the input science data have *NOT* had the zero group (or -bias) subtracted. We also do not want the dark subtraction process to remove +We do not want the dark subtraction process to remove the bias signal from the science exposure, therefore the dark reference data should have their own group zero subtracted from all groups. This means that group zero of the dark reference data will effectively be zero-valued.