diff --git a/emscripten_blink/field_notes/field-notes.md b/emscripten_blink/field_notes/field-notes.md
index 13e1f36..02775e6 100644
--- a/emscripten_blink/field_notes/field-notes.md
+++ b/emscripten_blink/field_notes/field-notes.md
@@ -288,10 +288,14 @@ in blinkenlights:
 TerminateSignal()
   calls exit
 
+
 Exec does something weird
 with sigsetjmp:
 blinkenlights.c:3211,3277
 
+<img src="./blink_signals_exit.png" />
+
+
 
 ## Tui and Exec compared
 (in blinkenlights.c)