Place this template at the bottom of an article that needs to be merged with another article. Use the template as follows:

{{Merge|London}}

It gives the following result:

The first parameter should indicate which article the page should be merged with. An optional second parameter may be used to specify the reason for the merge:

{{Merge|London|Per [[ဝီႇၶီႇဝွႆးဢဵတ်ႇꩡ်:What is an article]]}}

...gives the following result:

You can also place on the target page {{Merge from}} to get more attention.

This template adds articles to Category:Articles to be merged. Articles tagged for merging without any explanation text are added to Category:Articles to be merged without explanations.