Phrase change

Author: rumackaaron

docs/api/covidcast-signals/doctor-visits.md

@@ -52,9 +52,10 @@ States.
 Standard errors are not available for this data source.
 
 Due to changes in medical-seeking behavior on holidays, this data source has
-upward spikes in CLI around major holidays (i.e. Memorial Day, July 4, Labor
-Day, etc.). These spikes are not necessarily indicative of a true increase of
-COVID-like illness in a location.
+upward spikes in the fraction of doctor's visits that are COVID-related around
+major holidays (e.g. Memorial Day, July 4, Labor Day, etc.). These spikes are
+not necessarily indicative of a true increase of COVID-like illness in a
+location.
 
 ## Qualifying Conditions