diff --git a/README.md b/README.md
index 2fde43b..01704d9 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ Battery Tracker gives you a single source of truth:
 - Retire and unretire batteries
 
 > **Tip — measuring tested capacity:** The Panasonic BQ-CC65 charger (AA/AAA) can
-> measure the actual capacity of a cell during a charge cycle. Use the reading it
+> measure the actual capacity of a cell during a **refresh cycle**. Use the reading it
 > reports as the "Tested capacity" value when logging a capacity test.
 
 ### Devices