Updated Go2ErrorValuesFeedback (markdown)
diff --git a/Go2ErrorValuesFeedback.md b/Go2ErrorValuesFeedback.md
index 8e302b4..09dc961 100644
--- a/Go2ErrorValuesFeedback.md
+++ b/Go2ErrorValuesFeedback.md
@@ -12,6 +12,7 @@
### Error Inspection
+ - Ilya Sinelnikov, "[`Is` and `As` differ in behavior which is unexpected](https://github.com/sidh/go2errorsinspection)", December 2018
- Roger Peppe, "[Some thoughts about the draft Go error inspection design](https://gist.github.com/rogpeppe/a435b57473152e3429a5a149401edacf)", November 2018
- Greg Weber, “[Horizontal composition: Error inspection for groups](https://gist.github.com/gregwebs/5a14a83970d607411310a3e0281d55be)”, September 2018
- Eyal Posener, "[Reply](https://gist.github.com/gregwebs/5a14a83970d607411310a3e0281d55be#gistcomment-2710662)", September 2018