AthContainersInterfaces+AthContainers: Fix a typo in comments.

Fix a typo in comments.

This merge request affects 2 packages:

• Control/AthContainers
• Control/AthContainersInterfaces

Affected files list will not be printed in this case

Adding @ssnyder as watcher

added Core analysis-review-required main review-pending-level-1 labels

CI Result SUCCESS (hash 8d111d38)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-EL9 9611] (remote access info)

removed review-pending-level-1 label

removed analysis-review-required label

added review-approved label

mentioned in commit 7c21f354

merged