diff --git a/_layouts/main.html b/_layouts/main.html
index 2812a9f..e23d544 100644
--- a/_layouts/main.html
+++ b/_layouts/main.html
@@ -8,9 +8,7 @@
         {% include header.html %}
       </nav>
     </header>
-    <main class="container">
-      {{ content }}
-    </main>
+    <main class="container">{{ content }}</main>
     {% include footer.html %}
   </body>
 </html>
diff --git a/_layouts/page.html b/_layouts/page.html
index 767585f..07e9802 100644
--- a/_layouts/page.html
+++ b/_layouts/page.html
@@ -7,7 +7,5 @@ layout: main
     <h2 class="post-title">{{ page.title }}</h2>
   </header>
 
-  <div class="post-content">
-    {{ content }}
-  </div>
+  <div class="post-content">{{ content }}</div>
 </article>
diff --git a/_layouts/portfolio.html b/_layouts/portfolio.html
index 6fa17e8..54a67b8 100644
--- a/_layouts/portfolio.html
+++ b/_layouts/portfolio.html
@@ -11,9 +11,7 @@ layout: main
         'high-school' %}High school project {% when 'internship' %}Internship {%
         when 'personal' %}Personal project {% endcase %}
       </div>
-      <div class="languages">
-        {{ page.languages }}
-      </div>
+      <div class="languages">{{ page.languages }}</div>
       <div class="authors">
         <h4>Authors:</h4>
         <ul>
diff --git a/_layouts/post.html b/_layouts/post.html
index 92c1c75..d188186 100644
--- a/_layouts/post.html
+++ b/_layouts/post.html
@@ -17,7 +17,5 @@ layout: main
     </h4>
   </header>
 
-  <div class="post-content" itemprop="articleBody">
-    {{ content }}
-  </div>
+  <div class="post-content" itemprop="articleBody">{{ content }}</div>
 </article>
diff --git a/_posts/2016-07-28-how-to-rickroll-people-launching-rm-rf-on-your-system.html b/_posts/2016-07-28-how-to-rickroll-people-launching-rm-rf-on-your-system.html
index 601116c..0a39597 100644
--- a/_posts/2016-07-28-how-to-rickroll-people-launching-rm-rf-on-your-system.html
+++ b/_posts/2016-07-28-how-to-rickroll-people-launching-rm-rf-on-your-system.html
@@ -85,13 +85,9 @@ categories: linux
   if the <code>--force</code> flag is used instead of <code>-f</code>.
 </p>
 
-<p>
-  Let's give execution permissions to the script we have just created:
-</p>
+<p>Let's give execution permissions to the script we have just created:</p>
 
-<p>
-  {% highlight bash %} # chmod +x /bin/rmAlias {% endhighlight %}
-</p>
+<p>{% highlight bash %} # chmod +x /bin/rmAlias {% endhighlight %}</p>
 
 <p>
   Restart your shell, and enjoy. If you want to test safely, I suggest trying to
diff --git a/hooks/pre-commit b/hooks/pre-commit
index dc362fd..273f527 100755
--- a/hooks/pre-commit
+++ b/hooks/pre-commit
@@ -1,4 +1,9 @@
 #!/bin/sh
 
-$(npm bin)/prettier --write $(git rev-parse --show-toplevel)
+files="`git diff --staged --name-only --diff-filter=ACMR | tr \"\\n\" \" \"`"
+for f in $files; do
+  $(npm bin)/prettier --write "$f"
+  git add -f "$f"
+done
+
 
diff --git a/portfolio.html b/portfolio.html
index ff46934..b7b5aee 100644
--- a/portfolio.html
+++ b/portfolio.html
@@ -19,9 +19,7 @@ permalink: /portfolio/
         'high-school' %}High school project {% when 'internship' %}Internship {%
         when 'personal' %}Personal project {% endcase %}
       </div>
-      <div class="languages">
-        {{ p.languages }}
-      </div>
+      <div class="languages">{{ p.languages }}</div>
     </div>
     <div class="description">
       <div class="images">