diff --git a/docs/strategy-callbacks.md b/docs/strategy-callbacks.md
index 86219c0d9..aebd10857 100644
--- a/docs/strategy-callbacks.md
+++ b/docs/strategy-callbacks.md
@@ -1337,7 +1337,7 @@ Entries will be validated, and won't be passed to the UI if they don't correspon
             while start_dt < end_date:
                 start_dt += timedelta(hours=1)
                 if (start_dt.hour % 4) == 0:
-                    mark_areas.append(
+                    annotations.append(
                         {
                             "type": "area",
                             "label": "4h",
@@ -1348,7 +1348,7 @@ Entries will be validated, and won't be passed to the UI if they don't correspon
                     )
                 elif (start_dt.hour % 2) == 0:
                 price = dataframe.loc[dataframe["date"] == start_dt, ["close"]].mean()
-                    mark_areas.append(
+                    annotations.append(
                         {
                             "type": "area",
                             "label": "2h",