diff --git a/base/strings/util.jl b/base/strings/util.jl
index fca9ca1406cb0..c4c4459545128 100644
--- a/base/strings/util.jl
+++ b/base/strings/util.jl
@@ -491,7 +491,7 @@ throwing an `ArgumentError` indicating the position of the first non-ASCII byte.
 julia> ascii("abcdeγfgh")
 ERROR: ArgumentError: invalid ASCII at index 6 in "abcdeγfgh"
 Stacktrace:
- [1] ascii(::String) at ./strings/util.jl:475
+ [1] ascii(::String) at ./strings/util.jl:479
 
 julia> ascii("abcdefgh")
 "abcdefgh"