diff --git a/md2img/SKILL.md b/md2img/SKILL.md
index f6800ff..8bc5d28 100644
--- a/md2img/SKILL.md
+++ b/md2img/SKILL.md
@@ -15,7 +15,7 @@ Render Markdown documents into high-quality PNG images with full support for Mer
 - **LaTeX math**: inline `$...$` and block `$$...$$` / `\[...\]` (via KaTeX)
 - **GFM syntax**: tables, task lists, strikethrough, code blocks
 - **Code highlighting**: via highlight.js CSS
-- **Dark/Light theme**: auto-detects system preference, or override with `--dark`/`--light`
+- **Dark/Light theme**: override with `--dark` or `--light` flag
 - **Paper sizes**: A4 (default) or Letter, 2x DPI for crisp output
 - **Cross-platform**: Windows (Chrome/Edge) and Linux (Chrome/Chromium)
 
@@ -72,14 +72,12 @@ npx puppeteer browsers install chrome
 
 # Option 2: Install system Chromium
 # Ubuntu/Debian:
-sudo apt install -y chromium-browser
-# CentOS/RHEL:
-sudo yum install -y chromium
+sudo apt install -y chromium
 # Alpine:
 apk add chromium
 
 # Option 3: Set CHROME_PATH env variable
-export CHROME_PATH=/usr/bin/chromium-browser
+export CHROME_PATH=/usr/bin/chromium
 ```
 
 **Linux headless prerequisites:**
@@ -136,7 +134,7 @@ WORKDIR /app
 COPY scripts/package.json scripts/render.js ./
 RUN npm install --production
 
-ENTRYPOINT ["node", "render.js"]
+CMD ["node", "render.js"]
 ```
 
 ## Technical Details
diff --git a/md2img/scripts/package.json b/md2img/scripts/package.json
index 314e92e..2184958 100644
--- a/md2img/scripts/package.json
+++ b/md2img/scripts/package.json
@@ -4,15 +4,11 @@
   "description": "Render Markdown with Mermaid & LaTeX to PNG (cross-platform)",
   "scripts": {
     "render": "node render.js",
-    "setup:linux": "npm install && npx puppeteer browsers install chrome",
-    "setup:fonts": "bash scripts/setup-linux-fonts.sh"
+    "setup:linux": "npm install && npx puppeteer browsers install chrome"
   },
   "dependencies": {
     "katex": "^0.16.9",
     "marked": "^12.0.0",
-    "mermaid": "^10.9.0",
     "puppeteer-core": "^22.15.0"
-  },
-  "optionalDependencies": {},
-  "_linuxSetup": "On Linux headless servers without Chrome/Chromium, run: npm install puppeteer && npx puppeteer browsers install chrome"
+  }
 }