diff --git a/input/params/Genesis_L10_N2048_PopIII.par b/input/params/Genesis_L10_N2048_PopIII.par
index 05330749..b7ef111c 100644
--- a/input/params/Genesis_L10_N2048_PopIII.par
+++ b/input/params/Genesis_L10_N2048_PopIII.par
@@ -33,7 +33,7 @@ Flag_ComputePS             : 0   # if 1 Meraxes computes the 21cm Power Spectrum
 Flag_IncludeSpinTemp       : 1   # if 0 Ts>>Tg
 Flag_SeparateQSOXrays      : 0   # NOT CURRENTLY IMPLEMENTED (CODE WILL FAIL IF != 0)
 Flag_IncludePecVelsFor21cm : 0   # if 1 the computation of 21cm Tb accounts for peculiar velocities
-Flag_ConstructLightcone    : 0   # Ask Yuxiang or Brad
+Flag_ConstructLightcone    : 0   # Construct reionization light cones
 Flag_IncludeLymanWerner    : 1   # if 1 Meraxes computes Lyman-Werner background (crucial for Minihalos)
 Flag_IncludeMetalEvo       : 1   # if 1 Meraxes computes the metal enrichment of the IGM.
 Flag_IncludeStreamVel      : 1   # if 1 Meraxes computes Streaming Velocities (relevant only for Minihalos)