diff --git a/README.md b/README.md
index bf16cea..8828f1d 100644
--- a/README.md
+++ b/README.md
@@ -2547,8 +2547,8 @@ import flask
 ```
 
 ```python
-app = flask.Flask(__name__)                # Returns app object. Run at the top.
-app.run(host=None, port=None, debug=None)  # Starts the app. Run at the bottom.
+app = flask.Flask(__name__)                # Returns app object. Put at the top.
+app.run(host=None, port=None, debug=None)  # Or: `$ flask --app <module> run`
 ```
 * **Starts the app at `'http://localhost:5000'`. Use `'host="0.0.0.0"'` to run externally.**
 * **Install a WSGI server like [Waitress](https://flask.palletsprojects.com/en/latest/deploying/waitress/) and a HTTP server such as [Nginx](https://flask.palletsprojects.com/en/latest/deploying/nginx/) for better security.**
diff --git a/index.html b/index.html
index cd21f57..0909a38 100644
--- a/index.html
+++ b/index.html
@@ -54,7 +54,7 @@
 
 <body>
   <header>
-    <aside>May 17, 2024</aside>
+    <aside>May 18, 2024</aside>
     <a href="https://gto76.github.io" rel="author">Jure Šorn</a>
   </header>
 
@@ -2087,8 +2087,8 @@ print(<span class="hljs-string">f'<span class="hljs-subst">{python_url}</span>,
 </code></pre></div>
 
 
-<pre><code class="python language-python hljs">app = flask.Flask(__name__)                <span class="hljs-comment"># Returns app object. Run at the top.</span>
-app.run(host=<span class="hljs-keyword">None</span>, port=<span class="hljs-keyword">None</span>, debug=<span class="hljs-keyword">None</span>)  <span class="hljs-comment"># Starts the app. Run at the bottom.</span>
+<pre><code class="python language-python hljs">app = flask.Flask(__name__)                <span class="hljs-comment"># Returns app object. Put at the top.</span>
+app.run(host=<span class="hljs-keyword">None</span>, port=<span class="hljs-keyword">None</span>, debug=<span class="hljs-keyword">None</span>)  <span class="hljs-comment"># Or: `$ flask --app &lt;module&gt; run`</span>
 </code></pre>
 <ul>
 <li><strong>Starts the app at <code class="python hljs"><span class="hljs-string">'http://localhost:5000'</span></code>. Use <code class="python hljs"><span class="hljs-string">'host="0.0.0.0"'</span></code> to run externally.</strong></li>
@@ -2932,7 +2932,7 @@ $ deactivate                  <span class="hljs-comment"># Deactivates the activ
  
 
   <footer>
-    <aside>May 17, 2024</aside>
+    <aside>May 18, 2024</aside>
     <a href="https://gto76.github.io" rel="author">Jure Šorn</a>
   </footer>
 
diff --git a/pdf/index_for_pdf.html b/pdf/index_for_pdf.html
index 09e99e9..810a230 100644
--- a/pdf/index_for_pdf.html
+++ b/pdf/index_for_pdf.html
@@ -103,7 +103,7 @@
 <strong>pickle module, <a href="#pickle">25</a></strong><br>
 <strong>pillow library, <a href="#image">39</a>-<a href="#animation">40</a></strong><br>
 <strong>plotting, <a href="#plot">34</a>, <a href="#series">44</a>, <a href="#dataframeplotencodedecode">46</a>, <a href="#plotly">47</a>-<a href="#displaysamultiaxislinechartoftotalcoronaviruscasesandchangesinpricesofbitcoindowjonesandgold">48</a></strong><br>
-<strong>print function, <a href="#print">22</a></strong><br>
+<strong>print function, <a href="#class">14</a>, <a href="#print">22</a></strong><br>
 <strong>profiling, <a href="#profiling">36</a>-<a href="#profilingbyline">37</a></strong><br>
 <strong>progress bar, <a href="#progressbar">34</a></strong><br>
 <strong>property decorator, <a href="#property">15</a></strong><br>
diff --git a/pdf/index_for_pdf_print.html b/pdf/index_for_pdf_print.html
index 97d99e2..7356641 100644
--- a/pdf/index_for_pdf_print.html
+++ b/pdf/index_for_pdf_print.html
@@ -103,7 +103,7 @@
 <strong>pickle module, 25</strong><br>
 <strong>pillow library, 39-40</strong><br>
 <strong>plotting, 34, 44, 46, 47-48</strong><br>
-<strong>print function, 22</strong><br>
+<strong>print function, 14, 22</strong><br>
 <strong>profiling, 36-37</strong><br>
 <strong>progress bar, 34</strong><br>
 <strong>property decorator, 15</strong><br>
