diff --git a/docs/en/developer-guide/be-vscode-dev.md b/docs/en/developer-guide/be-vscode-dev.md
index ac145803afbfaa..75172ed2790a29 100644
--- a/docs/en/developer-guide/be-vscode-dev.md
+++ b/docs/en/developer-guide/be-vscode-dev.md
@@ -211,7 +211,7 @@ As shown in the figure:
 
 Among them, 15200 is the process id of the currently running be.
 
-An example of a complete lainch.json is as follows:
+An example of a complete launch.json is as follows:
 
 ```
  {
diff --git a/docs/zh-CN/developer-guide/be-vscode-dev.md b/docs/zh-CN/developer-guide/be-vscode-dev.md
index fe0de51efe8715..642e81a9dc5fab 100644
--- a/docs/zh-CN/developer-guide/be-vscode-dev.md
+++ b/docs/zh-CN/developer-guide/be-vscode-dev.md
@@ -214,7 +214,7 @@ ps -ef | grep palo*
 
 其中的15200即为当前运行的 be 的进程 id.
 
-一个完整的 lainch.json 的例子如下：
+一个完整的 launch.json 的例子如下：
 
 ```
  {
diff --git a/fe/fe-core/src/main/java/org/apache/doris/qe/Coordinator.java b/fe/fe-core/src/main/java/org/apache/doris/qe/Coordinator.java
index 017187e47b4bb4..ff5f2f8abc92c4 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/Coordinator.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/Coordinator.java
@@ -2076,7 +2076,7 @@ private TUniqueId fragmentInstanceId() {
 
     // execution parameters for a single fragment,
     // per-fragment can have multiple FInstanceExecParam,
-    // used to assemble TPlanFragmentExecParas
+    // used to assemble TPlanFragmentExecParams
     protected class FragmentExecParams {
         public PlanFragment fragment;
         public List<TPlanFragmentDestination> destinations = Lists.newArrayList();
@@ -2214,7 +2214,7 @@ public void appendTo(StringBuilder sb) {
     }
 
     // fragment instance exec param, it is used to assemble
-    // the per-instance TPlanFragmentExecParas, as a member of
+    // the per-instance TPlanFragmentExecParams, as a member of
     // FragmentExecParams
     static class FInstanceExecParam {
         TUniqueId instanceId;