diff --git a/docs/README.md b/docs/README.md
index cde61e0c4a..a3e24c9843 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -1215,6 +1215,7 @@ before actually deleting the metrics. By default, this query will only scan seri
 adjust `start` and `end` to a suitable range to achieve match hits.
 
 The `/api/v1/admin/tsdb/delete_series` handler may be protected with `authKey` if `-deleteAuthKey` command-line flag is set.
+Note that handler accepts any HTTP method, so sending a `GET` request to `/api/v1/admin/tsdb/delete_series` will result in deletion of time series.
 
 The delete API is intended mainly for the following cases:
 
diff --git a/docs/Single-server-VictoriaMetrics.md b/docs/Single-server-VictoriaMetrics.md
index 959db920bc..818f995591 100644
--- a/docs/Single-server-VictoriaMetrics.md
+++ b/docs/Single-server-VictoriaMetrics.md
@@ -1223,6 +1223,7 @@ before actually deleting the metrics. By default, this query will only scan seri
 adjust `start` and `end` to a suitable range to achieve match hits.
 
 The `/api/v1/admin/tsdb/delete_series` handler may be protected with `authKey` if `-deleteAuthKey` command-line flag is set.
+Note that handler accepts any HTTP method, so sending a `GET` request to `/api/v1/admin/tsdb/delete_series` will result in deletion of time series.
 
 The delete API is intended mainly for the following cases:
 
diff --git a/docs/url-examples.md b/docs/url-examples.md
index 322877e46e..3b2a6ae268 100644
--- a/docs/url-examples.md
+++ b/docs/url-examples.md
@@ -14,6 +14,8 @@ menu:
 
 **Deletes time series from VictoriaMetrics**
 
+Note that handler accepts any HTTP method, so sending a `GET` request to `/api/v1/admin/tsdb/delete_series` will result in deletion of time series.
+
 Single-node VictoriaMetrics:
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