diff --git a/DOCS.md b/DOCS.md
index 547d4aa..5acd478 100644
--- a/DOCS.md
+++ b/DOCS.md
@@ -134,7 +134,7 @@ ReceiveStart,
  Central node of match loop of a receive structure.
  Must be the only op in its basic block.
  Jumps to edge 0 when a message has been received.
- Jumps to edge 1 when a timeout has occured.
+ Jumps to edge 1 when a timeout has occurred.
 ReceiveWait,
  This must be the first instruction on edge 0 from ReceiveWait.
  Peeks at the message in the mailbox, not removed unless ReceiveFinish