diff --git a/docs/en/latest/plugins/opentelemetry.md b/docs/en/latest/plugins/opentelemetry.md
index 330bb0c90566..e8961396310f 100644
--- a/docs/en/latest/plugins/opentelemetry.md
+++ b/docs/en/latest/plugins/opentelemetry.md
@@ -30,7 +30,7 @@ description: This document contains information about the Apache opentelemetry P
 
 The `opentelemetry` Plugin can be used to report tracing data according to the [OpenTelemetry specification](https://opentelemetry.io/docs/reference/specification/).
 
-The Plugin only supports binary-encoded [OLTP over HTTP](https://opentelemetry.io/docs/reference/specification/protocol/otlp/#otlphttp).
+The Plugin only supports binary-encoded [OTLP over HTTP](https://opentelemetry.io/docs/reference/specification/protocol/otlp/#otlphttp).
 
 ## Attributes
 
diff --git a/docs/zh/latest/plugins/opentelemetry.md b/docs/zh/latest/plugins/opentelemetry.md
index 7a95f302280a..b946f6551d13 100644
--- a/docs/zh/latest/plugins/opentelemetry.md
+++ b/docs/zh/latest/plugins/opentelemetry.md
@@ -31,7 +31,7 @@ description: 本文介绍了关于 Apache APISIX `opentelemetry` 插件的基本
 
 `opentelemetry` 插件可用于根据 [OpenTelemetry specification](https://opentelemetry.io/docs/reference/specification/) 协议规范上报 Tracing 数据。
 
-该插件仅支持二进制编码的 [OLTP over HTTP](https://opentelemetry.io/docs/reference/specification/protocol/otlp/#otlphttp)，即请求类型为 `application/x-protobuf` 的数据上报。
+该插件仅支持二进制编码的 [OTLP over HTTP](https://opentelemetry.io/docs/reference/specification/protocol/otlp/#otlphttp)，即请求类型为 `application/x-protobuf` 的数据上报。
 
 ## 属性