fix table display (open-telemetry#9024)

Author: kaiwen

Diff for: docs/logger-mdc-instrumentation.md

@@ -29,9 +29,9 @@ logs can correlate traces/spans with log statements.
 > Note: There are also log appenders for exporting logs to OpenTelemetry, not to be confused with the MDC appenders.
 
 | Library | Auto-instrumented versions | Standalone Library Instrumentation                                                                                                               |
-| ------- | -------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------ | --- |
+| ------- | -------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------ |
 | Log4j 1 | 1.2+                       |                                                                                                                                                  |
-| Log4j 2 | 2.7+                       | [opentelemetry-log4j-context-data-2.17-autoconfigure](../instrumentation/log4j/log4j-context-data/log4j-context-data-2.17/library-autoconfigure) |     |
+| Log4j 2 | 2.7+                       | [opentelemetry-log4j-context-data-2.17-autoconfigure](../instrumentation/log4j/log4j-context-data/log4j-context-data-2.17/library-autoconfigure) |
 | Logback | 1.0+                       | [opentelemetry-logback-mdc-1.0](../instrumentation/logback/logback-mdc-1.0/library)                                                              |
 
 ## Frameworks