Minor xref edit

Author: kbatuigas

modules/manage/pages/iceberg/about-iceberg-topics.adoc

@@ -315,8 +315,8 @@ Querying the Iceberg table for `demo-topic` includes the new column `ts`:
 == Next steps
 
 * xref:manage:iceberg/use-iceberg-catalogs.adoc[]
-* xref:manage:iceberg/iceberg-performance-tuning.adoc[Tune Performance for Iceberg Topics]
-* xref:manage:iceberg/iceberg-troubleshooting.adoc[Troubleshoot Iceberg Topics]
+* xref:manage:iceberg/iceberg-performance-tuning.adoc[]
+* xref:manage:iceberg/iceberg-troubleshooting.adoc[]
 
 == Suggested reading