diff --git a/docs/comparison.md b/docs/comparison.md
index 21898f1..189831f 100644
--- a/docs/comparison.md
+++ b/docs/comparison.md
@@ -1,28 +1,28 @@
 # Related Spell Checkers
 
-|                | typos                 | [client9/misspell][misspell-go] | [codespell] | [scspell3k] |
-|----------------|-----------------------|---------------------------------|-------------|-------------|
-| Runtime        | \-                    | \-                              | Python      | Python      |
-| [Approach](design.md) | Correction     | Correction                      | Correction  | Dictionary  |
-| Custom Dict    | Yes                   | ?                               | Yes         | Yes         |
-| Per-Lang Dict  | Yes                   | ?                               | No          | Yes         |
-| CamelCase      | Yes                   | ?                               | No          | Yes         |
-| snake_case     | Yes                   | ?                               | No          | Yes         |
-| Ignore email   | Yes                   | yes                             | No          | No          |
-| Ignore url     | Yes                   | yes                             | No          | No          |
-| Ignore Hex     | Yes                   | ?                               | No          | Yes         |
-| Ignore UUID    | Yes                   | ?                               | No          | No          |
-| Ignore base64  | Yes                   | ?                               | No          | No          |
-| Ignore SHAs    | Yes                   | ?                               | No          | No          |
-| C-Escapes      | No ([#20][def-3])     | ?                               | No          | Yes         |
-| Encodings      | UTF-8 / UTF-16        | ?                               | Auto        | Auto        |
-| Whole-project  | Yes                   | Yes                             | Yes         | No          |
-| Ignores hidden | Yes                   | ?                               | Yes         | No          |
-| Respect gitignore | Yes                | ?                               | No          | No          |
-| Checks filenames | Yes                 | ?                               | Yes         | No          |
-| Status via exit code | Yes             | Yes                             | Yes         | Yes         |
-| API            | Rust / [JSON Lines]   | ?                               | Python      | None        |
-| License        | MIT or Apache         | MIT                             | GPLv2       | GPLv2       |
+|                | typos                 | [client9/misspell][misspell-go] | [codespell] | [scspell3k] | [topy]     |
+|----------------|-----------------------|---------------------------------|-------------|-------------|------------|
+| Runtime        | \-                    | \-                              | Python      | Python      | Python     |
+| [Approach](design.md) | Correction     | Correction                      | Correction  | Dictionary  | Dictionary |
+| Custom Dict    | Yes                   | ?                               | Yes         | Yes         | Yes        |
+| Per-Lang Dict  | Yes                   | ?                               | No          | Yes         | No         |
+| CamelCase      | Yes                   | ?                               | No          | Yes         | No         |
+| snake_case     | Yes                   | ?                               | No          | Yes         | No         |
+| Ignore email   | Yes                   | yes                             | No          | No          | No         |
+| Ignore url     | Yes                   | yes                             | No          | No          | No         |
+| Ignore Hex     | Yes                   | ?                               | No          | Yes         | No         |
+| Ignore UUID    | Yes                   | ?                               | No          | No          | No         |
+| Ignore base64  | Yes                   | ?                               | No          | No          | No         |
+| Ignore SHAs    | Yes                   | ?                               | No          | No          | No         |
+| C-Escapes      | No ([#20][def-3])     | ?                               | No          | Yes         | No         |
+| Encodings      | UTF-8 / UTF-16        | ?                               | Auto        | Auto        | UTF-8      |
+| Whole-project  | Yes                   | Yes                             | Yes         | No          | Yes        |
+| Ignores hidden | Yes                   | ?                               | Yes         | No          | Yes        |
+| Respect gitignore | Yes                | ?                               | No          | No          | No         |
+| Checks filenames | Yes                 | ?                               | Yes         | No          | No         |
+| Status via exit code | Yes             | Yes                             | Yes         | Yes         | No         |
+| API            | Rust / [JSON Lines]   | ?                               | Python      | None        | Python     |
+| License        | MIT or Apache         | MIT                             | GPLv2       | GPLv2       | MIT        |
 
 See also [benchmarks](../benchsuite/runs).
 
@@ -30,6 +30,7 @@ See also [benchmarks](../benchsuite/runs).
 [scspell3k]: https://github.com/myint/scspell
 [misspell-go]: https://github.com/client9/misspell
 [codespell]: https://github.com/codespell-project/codespell
+[topy]: https://github.com/intgr/topy
 [def-9]: https://github.com/crate-ci/typos/issues/9
 [def-14]: https://github.com/crate-ci/typos/issues/14
 [def-17]: https://github.com/crate-ci/typos/issues/17