Merge pull request #202349 from jonburchel/patch-31

Update copy-activity-performance.md

Author: PRMerger15

articles/data-factory/copy-activity-performance.md

@@ -145,7 +145,7 @@ The service provides the following performance optimization features:
 * [Parallel copy](#parallel-copy)
 * [Staged copy](#staged-copy)
 
-### Data Integration Units
+### <a id="data-integration-units">Data Integration Units</a>
 
 A Data Integration Unit (DIU) is a measure that represents the power of a single unit in Azure Data Factory and Synapse pipelines. Power is a combination of CPU, memory, and network resource allocation. DIU only applies to [Azure integration runtime](concepts-integration-runtime.md#azure-integration-runtime). DIU does not apply to [self-hosted integration runtime](concepts-integration-runtime.md#self-hosted-integration-runtime). [Learn more here](copy-activity-performance-features.md#data-integration-units).