diff --git a/_pages/tools_tregex.md b/_pages/tools_tregex.md
index 945dccaf86..b8e7a258d7 100644
--- a/_pages/tools_tregex.md
+++ b/_pages/tools_tregex.md
@@ -145,8 +145,8 @@ included)
### Release history
-| Version | Date | Description |
-|---|---|---|
+| Version | Date | Description |
+|:---------:|:----:|-------------|
| 4.2.0 | 2020‑11‑17 | Update for compatibility |
| 4.0.0 | 2020‑04‑19 | Update for compatibility |
| 3.9.2 | 2018‑10‑16 | Update for compatibility |