diff --git a/src/errors/join.go b/src/errors/join.go
index dc5a716..329082a 100644
--- a/src/errors/join.go
+++ b/src/errors/join.go
@@ -6,7 +6,7 @@
 
 // Join returns an error that wraps the given errors.
 // Any nil error values are discarded.
-// Join returns nil if errs contains no non-nil values.
+// Join returns nil if every value in errs is nil.
 // The error formats as the concatenation of the strings obtained
 // by calling the Error method of each element of errs, with a newline
 // between each string.