1 files changed, 5 insertions, 0 deletions

diff --git a/content/notes/drawing-pixels-in-plan9.md b/content/notes/drawing-pixels-in-plan9.md
index 6ce8973..43e890b 100644
--- a/content/notes/drawing-pixels-in-plan9.md
+++ b/content/notes/drawing-pixels-in-plan9.md
@@ -13,6 +13,7 @@ alternative for drawing that draws a yellow square on a red background.
 ![Plan9 Howdy World!](/notes/plan9-pixels.png)
 
 ```c
+// main.c
 #include <u.h>
 #include <libc.h>
 #include <draw.h>
@@ -52,6 +53,7 @@ void main(int argc, char *argv[])
 And then compile with `mk` (mkfile below):
 
 ```makefile
+# mkfile
 </$objtype/mkfile
 
 RC=/rc/bin
@@ -63,4 +65,7 @@ main:
         $LD $LDFLAGS -o main main.$O
 ```
 
+And run with `./main`. To exit the program, press `Delete key` (strange but this
+is the alternative for Ctrl+C).
+
 *This is **very cool** indeed!*