diff --git a/src/span.jl b/src/span.jl
index 0be0017..23063e2 100644
--- a/src/span.jl
+++ b/src/span.jl
@@ -3,3 +3,5 @@ struct Span
     start_mark::Mark
     end_mark::Mark
 end
+
+show(io::IO, span::Span) = print(io, "(line, column) ∈ (", span.start_mark.line, ", ", span.start_mark.column, ")...(", span.end_mark.line, ", ", span.end_mark.column, ")")