Update README.md

6 years ago · e88d156fd1
parent d344a2c192
commit e88d156fd1
1 changed files with 1 additions and 1 deletions
--- a/README.md
+++ b/README.md
@ -76,7 +76,7 @@ Then type:
 `git checkout master`
-Create a sim.cfg configuration file with your amateur radio callsign by typing:
+Create a sim.cfg configuration file with your amateur radio callsign (in all caps, no lower case letters!) by typing:
 `echo "callsign" >> sim.cfg`