diff --git a/docs/Dockerfile b/docs/Dockerfile
index 0e66d72..92c8152 100644
--- a/docs/Dockerfile
+++ b/docs/Dockerfile
@@ -4,6 +4,7 @@ FROM node:22-slim AS dev
 WORKDIR /app
 
 COPY package*.json ./
+COPY patches/ patches/
 RUN npm ci
 
 COPY . .
@@ -18,6 +19,7 @@ FROM node:22-slim AS build
 WORKDIR /app
 
 COPY package*.json ./
+COPY patches/ patches/
 RUN npm ci
 
 COPY . .
diff --git a/docs/src/content/docs/index.mdx b/docs/src/content/docs/index.mdx
index 981b9fa..29b173a 100644
--- a/docs/src/content/docs/index.mdx
+++ b/docs/src/content/docs/index.mdx
@@ -23,12 +23,12 @@ import { Card, CardGrid } from '@astrojs/starlight/components';
     [Start here](/getting-started/)
   </Card>
   <Card title="Tutorials" icon="open-book">
-    Step-by-step circuit design walkthroughs, from filters to Monte Carlo yield analysis.
+    Step-by-step walkthroughs: filter design, Monte Carlo yield analysis, parameter sweeps.
     [Browse tutorials](/tutorials/)
   </Card>
-  <Card title="Tutorials" icon="list-format">
-    Task-specific walkthroughs --- filter design, Monte Carlo yield, parameter sweeps.
-    [Browse tutorials](/tutorials/)
+  <Card title="Concepts" icon="list-format">
+    Background on LTspice on Linux, simulation types, and SPICE fundamentals.
+    [Read concepts](/concepts/ltspice-on-linux/)
   </Card>
   <Card title="Reference" icon="setting">
     Every tool, resource, and prompt documented with parameters, types, and examples.