diff --git a/.github/workflows/build-test-docs.yml b/.github/workflows/build-test-docs.yml
new file mode 100644
index 00000000..ffe72454
--- /dev/null
+++ b/.github/workflows/build-test-docs.yml
@@ -0,0 +1,60 @@
+name: Build and test documentation
+
+on:
+  pull_request:
+    paths:
+      - 'docs/pages/**'
+      - '.github/workflows/**'
+  workflow_dispatch:
+  workflow_call:
+
+permissions:
+  id-token: write
+  pages: write
+
+env:
+  INSTANCE: 'kotlinx-rpc/rpc'
+  ARTIFACT: 'webHelpRPC2-all.zip'
+  DOCKER_VERSION: '241.15989'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Build docs using Writerside Docker builder
+        uses: JetBrains/writerside-github-action@v4
+        with:
+          instance: ${{ env.INSTANCE }}
+          artifact: ${{ env.ARTIFACT }}
+          docker-version: ${{ env.DOCKER_VERSION }}
+          location: docs/pages/kotlinx-rpc/
+
+      - name: Save artifact with build results
+        uses: actions/upload-artifact@v4
+        with:
+          name: kotlinx-rpc
+          path: |
+            artifacts/${{ env.ARTIFACT }}
+            artifacts/report.json
+            artifacts/${{ env.ALGOLIA_ARTIFACT }}
+          retention-days: 7
+
+  test:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: kotlinx-rpc
+          path: artifacts
+
+      - name: Test documentation
+        uses: JetBrains/writerside-checker-action@v1
+        with:
+          instance: ${{ env.INSTANCE }}
diff --git a/.github/workflows/build-docs.yml b/.github/workflows/deploy-docs.yml
similarity index 63%
rename from .github/workflows/build-docs.yml
rename to .github/workflows/deploy-docs.yml
index 90bd16ff..640307c4 100644
--- a/.github/workflows/build-docs.yml
+++ b/.github/workflows/deploy-docs.yml
@@ -1,4 +1,4 @@
-name: Build documentation
+name: Deploy documentation and indexes
 
 on:
   push:
@@ -21,46 +21,8 @@ env:
   CONFIG_JSON_VERSION: '0.1.0'
 
 jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-
-      - name: Build docs using Writerside Docker builder
-        uses: JetBrains/writerside-github-action@v4
-        with:
-          instance: ${{ env.INSTANCE }}
-          artifact: ${{ env.ARTIFACT }}
-          docker-version: ${{ env.DOCKER_VERSION }}
-          locations: docs/pages/kotlinx-rpc/
-
-      - name: Save artifact with build results
-        uses: actions/upload-artifact@v4
-        with:
-          name: kotlinx-rpc
-          path: |
-            artifacts/${{ env.ARTIFACT }}
-            artifacts/report.json
-            artifacts/${{ env.ALGOLIA_ARTIFACT }}
-          retention-days: 7
-
-  test:
-    needs: build
-    runs-on: ubuntu-latest
-    steps:
-      - name: Download artifacts
-        uses: actions/download-artifact@v4
-        with:
-          name: kotlinx-rpc
-          path: artifacts
-
-      - name: Test documentation
-        uses: JetBrains/writerside-checker-action@v1
-        with:
-          instance: ${{ env.INSTANCE }}
+  build-and-test:
+    uses: ./.github/workflows/build-test-docs.yml
 
   deploy:
     environment:
diff --git a/docs/pages/kotlinx-rpc/topics/transport.topic b/docs/pages/kotlinx-rpc/topics/transport.topic
index e40966d6..dc593ab6 100644
--- a/docs/pages/kotlinx-rpc/topics/transport.topic
+++ b/docs/pages/kotlinx-rpc/topics/transport.topic
@@ -13,7 +13,7 @@
             encoded RPC messages in kRPC Protocol.
             This layer is represented by <code>RPCTransport</code> interface.
             It supports two message formats — string and binary,
-            and depending on which <a anchor="serialization-dsl">serialization</a> format you choose,
+            and depending on which <a href="configuration.topic" anchor="serialization-dsl">serialization</a> format you choose,
             one or the other will be used.</p>
 
     <chapter title="Ktor transport" id="ktor-transport">