1 files changed, 2 insertions, 1 deletions
diff --git a/README.md b/README.md
index 272420f..bbf3ec5 100644
--- a/README.md
+++ b/README.md
@@ -101,7 +101,8 @@ to the test suite would make sense.
 
  * **Useful information can be extracted from internal data structures.** The
    expression format is pretty simple for example: `A && B && (!C || D == 3)` is
-   represented as (AND A (AND B (OR (NOT C) (EQUAL D 3)))); see the
+   represented as the tuple structure
+   `(AND, A, (AND, B, (OR, (NOT, C), (EQUAL, D, 3))))`; see the
    `Config._parse_expr()` docstring).
 
    It's hard to come up with good APIs for dealing with expressions given how