message: Fix doc link error
diff: @@ -17,7 +17,7 @@ Currently, no drivers guarantee API or ABI stability.
  | mongocxx | legacy |
  | ------------------------------------ | -------------------------------- |
  | [mongocxx-3.2.0-rc1](../mongocxx-3.2.0-rc1/) | [legacy-1.1.2](../legacy-1.1.2/) |
  -| [mongocxx-3.1.3](../mongocxx-3.1.2/) | [legacy-1.1.1](../legacy-1.1.1/) |
  +| [mongocxx-3.1.3](../mongocxx-3.1.3/) | [legacy-1.1.1](../legacy-1.1.1/) |
  | [mongocxx-3.1.2](../mongocxx-3.1.2/) | [legacy-1.1.0](../legacy-1.1.0/) |
  | [mongocxx-3.1.1](../mongocxx-3.1.1/) | [legacy-1.0.7](../legacy-1.0.7/) |
  | [mongocxx-3.1.0](../mongocxx-3.1.0/) | [legacy-1.0.6](../legacy-1.0.6/) |
  