diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c
index 86ee6dead265a2fc050163498ebeb474109abd2b..aa2f803be3fe8070e10e340d00f3ff9122ac4be7 100644
--- a/src/hardware/hw_main.c
+++ b/src/hardware/hw_main.c
@@ -5682,7 +5682,7 @@ static CV_PossibleValue_t glsecbright_cons_t[] = {{0, "MIN"}, {255, "MAX"}, {0,
 
 consvar_t cv_glshaders = CVAR_INIT ("gr_shaders", "On", "Enables OpenGL shaders", CV_SAVE|CV_CALL, glshaders_cons_t, CV_glshaders_OnChange);
 
-consvar_t cv_glsecbright = CVAR_INIT("gr_secbright", "0", NULL, CV_SAVE, glsecbright_cons_t, NULL);
+consvar_t cv_glsecbright = CVAR_INIT("gr_secbright", "0", "Sets minimum sector brightness, useful for dark areas", CV_SAVE, glsecbright_cons_t, NULL);
 
 #ifdef ALAM_LIGHTING
 consvar_t cv_gldynamiclighting = CVAR_INIT ("gr_dynamiclighting", "On", NULL, CV_SAVE, CV_OnOff, NULL);