diff --git a/docs/api/covidcast-signals/quidel.md b/docs/api/covidcast-signals/quidel.md
index 72a719825..ad57a5013 100644
--- a/docs/api/covidcast-signals/quidel.md
+++ b/docs/api/covidcast-signals/quidel.md
@@ -162,5 +162,5 @@ small. The data may be updated again when the Winter 2020 flu season begins.
| --- | --- |
| `raw_pct_negative` | The percentage of flu tests that are negative, suggesting the patient's illness has another cause, possibly COVID-19
**Earliest date available:** 2020-01-31 |
| `smoothed_pct_negative` | Same as above, but smoothed in time
**Earliest date available:** 2020-01-31 |
-| `raw_tests_per_device` | The number of flu tests conducted by each testing device; measures volume of testing
**Earliest date available:** 2020-01-31 |
+| `raw_tests_per_device` | The average number of flu tests conducted by each testing device; measures volume of testing
**Earliest date available:** 2020-01-31 |
| `smoothed_tests_per_device` | Same as above, but smoothed in time
**Earliest date available:** 2020-01-31 |