diff --git a/guide.md b/guide.md
index 3912210123..a8fb804509 100644
--- a/guide.md
+++ b/guide.md
@@ -290,7 +290,7 @@ The replayer accepts options as its constructor's second parameter, and it has t
 | showDebug           | false         | whether to print debug messages during replay                                                                                                                                                                                  |
 | blockClass          | 'rr-block'    | element with the class name will display as a blocked area                                                                                                                                                                     |
 | liveMode            | false         | whether to enable live mode                                                                                                                                                                                                    |
-| inertStyleRules     | []            | accepts multiple CSS rule string, which will be injected into the replay iframe                                                                                                                                                |
+| insertStyleRules     | []            | accepts multiple CSS rule string, which will be injected into the replay iframe                                                                                                                                                |
 | triggerFocus        | true          | whether to trigger focus during replay                                                                                                                                                                                         |
 | UNSAFE_replayCanvas | false         | whether to replay the canvas element. **Enable this will remove the sandbox, which is unsafe.**                                                                                                                                |
 | mouseTail           | true          | whether to show mouse tail during replay. Set to false to disable mouse tail. A complete config can be found in this [type](https://github.com/rrweb-io/rrweb/blob/9488deb6d54a5f04350c063d942da5e96ab74075/src/types.ts#L407) |
diff --git a/guide.zh_CN.md b/guide.zh_CN.md
index 4280a58da3..3414fb0d25 100644
--- a/guide.zh_CN.md
+++ b/guide.zh_CN.md
@@ -286,7 +286,7 @@ replayer.pause(5000);
 | showDebug           | false         | 是否在回放过程中打印 debug 信息                                                                                                                                                                      |
 | blockClass          | 'rr-block'    | 需要在回放时展示为隐藏区域的元素类名                                                                                                                                                                 |
 | liveMode            | false         | 是否开启直播模式                                                                                                                                                                                     |
-| inertStyleRules     | []            | 可以传入多个 CSS rule string，用于自定义回放时 iframe 内的样式                                                                                                                                       |
+| insertStyleRules     | []            | 可以传入多个 CSS rule string，用于自定义回放时 iframe 内的样式                                                                                                                                       |
 | triggerFocus        | true          | 回放时是否回放 focus 交互                                                                                                                                                                            |
 | UNSAFE_replayCanvas | false         | 回放时是否回放 canvas 内容，**开启后将会关闭沙盒策略，导致一定风险**                                                                                                                                 |
 | mouseTail           | true          | 是否在回放时增加鼠标轨迹。传入 false 可关闭，传入对象可以定制轨迹持续时间、样式等，配置详见[类型](https://github.com/rrweb-io/rrweb/blob/9488deb6d54a5f04350c063d942da5e96ab74075/src/types.ts#L407) |