cue: fix misspells
Change-Id: I067e923857d30d01e674715f0988d396c071a37f
Reviewed-on: https://cue-review.googlesource.com/c/cue/+/6661
Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>
diff --git a/internal/core/eval/eval.go b/internal/core/eval/eval.go
index 28fe99b..409eda3 100644
--- a/internal/core/eval/eval.go
+++ b/internal/core/eval/eval.go
@@ -1068,7 +1068,7 @@
// addStruct collates the declarations of a struct.
//
// addStruct fulfills two additional pivotal functions:
-// 1) Implement vertex unification (this happends through De Bruijn indices
+// 1) Implement vertex unification (this happens through De Bruijn indices
// combined with proper set up of Environments).
// 2) Implied closedness for definitions.
//
