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Suggested comment language for a partial fit:

• Dataset contains references to admin level Xis disaggregated using administrative divisions (admX), however not all rows successfully join to the available dataset for that admin level. 
• Dataset contains the names of individual is disaggregated using specific locations, but no corresponding dataset defining those locations is available.
• Dataset is disaggregated geographically, but inconsistently.

If disaggregated by administrative division, does it use the lowest-used level?

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OpenStreetMap data relies on user contributions and may not be comprehensive. Dataset does not always contain data about practicability of a road.

Interaction Member Activities in (Country)

Dataset contains data about Interaction member organizations but not other organizations working in the country. Dataset is disaggregated geographically, but inconsistently. 

Editing the YAML File

Style Notes

• Always end comment with a period.  There will be some automatic notes added at the end (for freshness).
• At the beginning of a sentence say "Dataset . . . "  not "The dataset . . ."  for brevity.
• refer to admin levels as adm1 adm2, etc
• refer to "administrative divisions" instead of "administrative units" or "admin boundaries"