gives wrong spelling of implements 

Change-Id: If7f3f169c0c009f47ff4f32fbcf2494d11107575
Signed-off-by: Vikas Chandra <Vikas.Chandra@in.ibm.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.ui/+/184563
Tested-by: Mickael Istria <mistria@redhat.com>
Reviewed-by: Mickael Istria <mistria@redhat.com>