diff --git a/.claude/commands/workflow/concept-verify.md b/.claude/commands/workflow/concept-clarify.md
similarity index 97%
rename from .claude/commands/workflow/concept-verify.md
rename to .claude/commands/workflow/concept-clarify.md
index 318d6e75..a7f8fc1d 100644
--- a/.claude/commands/workflow/concept-verify.md
+++ b/.claude/commands/workflow/concept-clarify.md
@@ -1,11 +1,11 @@
 ---
-name: concept-verify
+name: concept-clarify
 description: Identify underspecified areas in brainstorming artifacts through targeted clarification questions before action planning
-usage: /workflow:concept-verify [--session <session-id>]
+usage: /workflow:concept-clarify [--session <session-id>]
 argument-hint: "optional: --session <session-id>"
 examples:
-  - /workflow:concept-verify
-  - /workflow:concept-verify --session WFS-auth
+  - /workflow:concept-clarify
+  - /workflow:concept-clarify --session WFS-auth
 allowed-tools: Read(*), Write(*), Edit(*), TodoWrite(*), Glob(*), Bash(*)
 ---
 
@@ -255,7 +255,7 @@ You **MUST** consider the user input before proceeding (if not empty).
 
    - ✅ **PROCEED to /workflow:plan**: Conceptual foundation is clear
    - OR ⚠️ **Address Outstanding Items First**: {list critical outstanding items}
-   - OR 🔄 **Run /workflow:concept-verify Again**: If new information available
+   - OR 🔄 **Run /workflow:concept-clarify Again**: If new information available
 
    ### Next Steps
    ```bash
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1ccf89a5..0390d480 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,14 +5,20 @@ All notable changes to Claude Code Workflow (CCW) will be documented in this fil
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [4.2.1] - 2025-10-09
+## [4.2.1] - 2025-10-10
 
-### 📝 Documentation Refactoring: UI Design Workflow Commands
+### 📝 Command Renaming & Documentation Refactoring
 
-This release refactors UI design workflow documentation for improved clarity and maintainability, with significant size reductions while preserving all functionality.
+This release includes a command rename for better clarity and refactors UI design workflow documentation for improved maintainability.
 
 #### Changed
 
+**Command Renaming**:
+- **`/workflow:concept-verify` → `/workflow:concept-clarify`**: Renamed for clearer intent
+  - Better reflects the command's purpose of clarifying underspecified areas
+  - Updated all internal references and documentation
+  - Command functionality remains unchanged
+
 **explore-auto.md** (formerly `auto.md`):
 - **File Reorganization**: Reduced from 540 to 435 lines (19.4% reduction)
 - **Merged Duplicate Content**: Consolidated Overview, Coordinator Role, and Execution Model into single "Overview & Execution Model" section