diff --git a/src/context/contextCustomCommand.ts b/src/context/contextCustomCommand.ts
index 8252e82..f28a217 100644
--- a/src/context/contextCustomCommand.ts
+++ b/src/context/contextCustomCommand.ts
@@ -7,7 +7,7 @@ import { UiUtilWrapper } from '../util/uiUtil';
 
 export const customCommandContext: ChatContext = {
     name: '<custom command>',
-    description: 'custorm command',
+    description: 'execute your input command and retrieve output',
     handler: async () => {
         // popup a dialog to ask for the command line to run
         const customCommand = await UiUtilWrapper.showInputBox({
diff --git a/src/context/contextDefRefs.ts b/src/context/contextDefRefs.ts
index d98463d..8959802 100644
--- a/src/context/contextDefRefs.ts
+++ b/src/context/contextDefRefs.ts
@@ -53,7 +53,7 @@ async function getSelectedSymbol(): Promise<vscode.DocumentSymbol | undefined> {
 
 export const defRefsContext: ChatContext = {
 	name: 'symbol references',
-	description: 'References of symble',
+	description: 'find code sites referencing the selected symbol (class, function, variable, etc.)',
 	handler: async () => {
 		const activeEditor = vscode.window.activeTextEditor;
 		if (!activeEditor) {
diff --git a/src/context/contextGitDiff.ts b/src/context/contextGitDiff.ts
index 7175451..bedbbde 100644
--- a/src/context/contextGitDiff.ts
+++ b/src/context/contextGitDiff.ts
@@ -7,7 +7,7 @@ import { logger } from '../util/logger';
 
 export const gitDiffContext: ChatContext = {
   name: 'git diff HEAD',
-  description: 'diff for all changes',
+  description: 'all changes since the last commit',
   handler: async () => {
     const tempDir = await createTempSubdirectory('devchat/context');
     const diffFile = path.join(tempDir, 'diff_all.txt');
diff --git a/src/context/contextGitDiffCached.ts b/src/context/contextGitDiffCached.ts
index b5c8430..a661818 100644
--- a/src/context/contextGitDiffCached.ts
+++ b/src/context/contextGitDiffCached.ts
@@ -7,7 +7,7 @@ import { logger } from '../util/logger';
 
 export const gitDiffCachedContext: ChatContext = {
   name: 'git diff --cached',
-  description: 'diff for cached changes',
+  description: 'the staged changes since the last commit',
   handler: async () => {
     const tempDir = await createTempSubdirectory('devchat/context');
     const diffFile = path.join(tempDir, 'diff_cached.txt');
diff --git a/src/context/contextRefDefs.ts b/src/context/contextRefDefs.ts
index 5a8a605..f7f4500 100644
--- a/src/context/contextRefDefs.ts
+++ b/src/context/contextRefDefs.ts
@@ -173,7 +173,7 @@ async function getSymbolDefine(symbolList: string[]): Promise<string[]> {
 
 export const refDefsContext: ChatContext = {
 	name: 'symbol definitions',
-	description: 'Definitions of symbol',
+	description: 'find related definitions of classes, functions, etc. in selected code',
 	handler: async () => {
 		const selectedText = await getCurrentSelectText();
 		const symbolList = await getUndefinedSymbols(selectedText);
diff --git a/src/views/components/InputMessage/index.tsx b/src/views/components/InputMessage/index.tsx
index 7d6ae40..c745a98 100644
--- a/src/views/components/InputMessage/index.tsx
+++ b/src/views/components/InputMessage/index.tsx
@@ -468,7 +468,7 @@ const InputMessage = observer((props: any) => {
                                     borderColor: 'var(--vscode-menu-border)',
                                     backgroundColor: 'var(--vscode-menu-background)'
                                 }}>
-                                <Text sx={{ padding: '5px 5px 5px 10px' }}>DevChat Commands</Text>
+                                <Text sx={{ padding: '5px 5px 5px 10px' }}>DevChat Workflows</Text>
                                 <ScrollArea.Autosize mah={240} type="always">
                                     {commandMenusNode}
                                 </ScrollArea.Autosize>
diff --git a/workflows/default/context/git_log_for_releasenote/_setting_.json b/workflows/default/context/git_log_for_releasenote/_setting_.json
index ffe6b46..cc43c37 100644
--- a/workflows/default/context/git_log_for_releasenote/_setting_.json
+++ b/workflows/default/context/git_log_for_releasenote/_setting_.json
@@ -1,6 +1,6 @@
 {
-	"name": "git_log_releasenote",
-	"description": "git log for write release note",
+	"name": "git log for release note",
+	"description": "formatted commit history since the specified commit",
 	"edit": true,
 	"command": ["git log $(git describe --tags --abbrev=0)..HEAD --pretty=format:\"%h - %B\""]
 }
\ No newline at end of file