Update main.elf

blink-openocd/README.md

@@ -72,6 +72,10 @@ should be fine. Post an issue if it doesn't work. Note one modification to the M
 deletes all the intermediate files (.o, .eep, etc) after producing the .elf file. If you want them,
 remove the lines in the Makefile after the phrase 'Deleting intermediate files...'.
 
+Also note that the final `.elf` file is included in this repo. So if you're having trouble building
+you can still test programming.
+
+
 ## Programming
 
 Fourth, after you have your .elf file (in this case `main.elf`), connect an Atmel ICE programmer to