diff --git a/README.md b/README.md
index 9113732..ccf7c8c 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Claude Code System Prompts
 
-This repository contains an up-to-date list of all Claude Code's various system prompts and their associated token counts as of **[Claude Code v2.0.49](https://www.npmjs.com/package/@anthropic-ai/claude-code/v/2.0.49) (November 20th, 2025).**  It also contains a [**CHANGELOG.md**](./CHANGELOG.md) for the system prompts across 30 versions since v2.0.14.
+This repository contains an up-to-date list of all Claude Code's various system prompts and their associated token counts as of **[Claude Code v2.0.49](https://www.npmjs.com/package/@anthropic-ai/claude-code/v/2.0.49) (November 20th, 2025).**  It also contains a [**CHANGELOG.md**](./CHANGELOG.md) for the system prompts across 31 versions since v2.0.14.
 
 Why multiple "system prompts?"
 
@@ -68,7 +68,7 @@ Sub-agents and utilities.
 
 Misc large strings.
 
-- [Data: GitHub Actions workflow for @claude mentions](./system-prompts/data-github-actions-workflow-for-@claude-mentions.md) (**531** tks) - GitHub Actions workflow template for triggering Claude Code via @claude mentions.
+- [Data: GitHub Actions workflow for @claude mentions](./system-prompts/data-github-actions-workflow-for-claude-mentions.md) (**531** tks) - GitHub Actions workflow template for triggering Claude Code via @claude mentions.
 - [Data: GitHub Actions workflow for automated code review (beta)](./system-prompts/data-github-actions-workflow-for-automated-code-review-beta.md) (**573** tks) - GitHub Actions workflow template for automated Claude Code reviews using direct_prompt.
 - [Data: GitHub App installation PR description](./system-prompts/data-github-app-installation-pr-description.md) (**424** tks) - Template for PR description when installing Claude Code GitHub App integration.
 -->
diff --git a/system-prompts/data-github-actions-workflow-for-@claude-mentions.md b/system-prompts/data-github-actions-workflow-for-claude-mentions.md
similarity index 100%
rename from system-prompts/data-github-actions-workflow-for-@claude-mentions.md
rename to system-prompts/data-github-actions-workflow-for-claude-mentions.md
diff --git a/tools/updatePrompts.js b/tools/updatePrompts.js
index 8da7e36..f65912e 100644
--- a/tools/updatePrompts.js
+++ b/tools/updatePrompts.js
@@ -151,10 +151,8 @@ function nameToFilename(name) {
   // Convert to lowercase and replace special chars
   const filename = namePart
     .toLowerCase()
-    .replace(/\./g, '') // Remove dots
     .replace(/\s+/g, '-') // Spaces to hyphens
-    .replace(/[()]/g, '') // Remove parentheses
-    .replace(/\//g, '-') // Slashes to hyphens
+    .replace(/[^a-z0-9_-]/g, '') // Remove any char not a-z, 0-9, _, or -
     .replace(/-+/g, '-') // Collapse multiple hyphens
     .replace(/^-|-$/g, ''); // Trim hyphens from start/end