Update docs/book/src/reference/versions.md

Co-authored-by: Fabrizio Pandini <[email protected]>

Author: wendy-ha18

docs/book/src/reference/versions.md

@@ -69,7 +69,7 @@ The table below documents support matrix for Cluster API versions (versions olde
 |---------------|-------------------------|---------------------------------------------------------------------------------------------|
 | v1.12.x       | Standard support period | in maintenance mode when v1.14.0 will be released, EOL when v1.15.0 will be released        |
 | v1.11.x       | Standard support period | in maintenance mode when v1.13.0 will be released, EOL when v1.14.0 will be released        |
-| v1.10.x       | Maintenance mode        | Maintenance mode since 2025-12-18 - v1.12.0 release date,, EOL when v1.13.0 will be released  |
+| v1.10.x       | Maintenance mode        | Maintenance mode since 2025-12-18 - v1.12.0 release date, EOL when v1.13.0 will be released  |
 | v1.9.x        | EOL                     | EOL since 2025-12-18 - v1.12.0 release date                                                 |
 | v1.8.x        | EOL                     | EOL since 2025-08-12 - v1.11.0 release date                                                 |
 | v1.7.x        | EOL                     | EOL since 2025-04-22 - v1.10.0 release date                                                 |