You don't need to specify any data points (though you can if you want to).
Instead, data points are automatically generated based on the creation
-times of pages matched by the specified `pages` [[PageSpec]]. A maximum of
-`max` data points will be generated.
+times of pages matched by the specified `pages` [[ikiwiki/PageSpec]]. A
+maximum of `max` data points will be generated.
The `formula` parameter controls the formula used to generate data points.
Available forumlae: