diff --git a/scripts/output/single/reporting.R b/scripts/output/single/reporting.R
index f648f3b1534a852d6dddad746311e0f596bbceae..d2da1e1e3575eae63c79f314067928b2bb974f62 100644
--- a/scripts/output/single/reporting.R
+++ b/scripts/output/single/reporting.R
@@ -51,6 +51,8 @@ if (0 == nchar(Sys.getenv('MAGICC_BINARY'))) {
 }
 
 ## generate EDGE-T reporting if it is needed
+## the reporting is appended to REMIND_generic_<scenario>.MIF
+## REMIND_generic_<scenario>_withoutPlus.MIF is replaced.
 if(file.exists(file.path(outputdir, "EDGE-T"))){
   reportEDGETransport(outputdir)
 }