diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..affb8fe
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+docs/**     -linguist-documentation
+docs/*.md   linguist-detectable
diff --git a/README.md b/README.md
index 04efc57..11dab28 100644
--- a/README.md
+++ b/README.md
@@ -7,11 +7,13 @@ Link: [101.named-data.net](https://101.named-data.net/)
 ## Local build
 
 Install dependencies:
-```bash
+
+```shell
 poetry install --no-root
 ```
 
 Live preview:
-```bash
+
+```shell
 poetry run mkdocs serve
 ```
diff --git a/mkdocs.yml b/mkdocs.yml
index 5714bd7..c247b63 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -9,9 +9,9 @@ theme:
   palette:
     primary: deep orange
   features:
-  - content.tabs.link
-  - navigation.footer
-  - content.code.copy
+    - content.tabs.link
+    - navigation.footer
+    - content.code.copy
 
 plugins:
   - search
@@ -21,17 +21,17 @@ plugins:
       csl_file: acm-sig-proceedings.csl
 
 nav:
-  - 'index.md'
-  - 'getting-started.md'
-  - 'packets.md'
-  - 'communication.md'
-  - 'security.md'
-  - 'sync.md'
-  - 'storage.md'
-  - 'forwarding.md'
-  - 'routing.md'
-  - 'testbed.md'
-  - 'debugging.md'
+  - "index.md"
+  - "getting-started.md"
+  - "packets.md"
+  - "communication.md"
+  - "security.md"
+  - "sync.md"
+  - "storage.md"
+  - "forwarding.md"
+  - "routing.md"
+  - "testbed.md"
+  - "debugging.md"
 
 markdown_extensions:
   - admonition
@@ -39,11 +39,11 @@ markdown_extensions:
   - pymdownx.snippets
   - pymdownx.superfences:
       custom_fences:
-      - name: mermaid
-        class: mermaid
-        format: !!python/name:pymdownx.superfences.fence_code_format
+        - name: mermaid
+          class: mermaid
+          format: !!python/name:pymdownx.superfences.fence_code_format
   - pymdownx.tabbed:
       alternate_style: true
 
 extra_javascript:
-  - javascripts/iframe-message.js
\ No newline at end of file
+  - javascripts/iframe-message.js
diff --git a/pyproject.toml b/pyproject.toml
index 7a68cfe..aea488f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,6 @@ mkdocs-material = "^9.5.3"
 mkdocs-bibtex = "^2.11.0"
 pypandoc-binary = "^1.12"
 
-
 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"