diff --git a/index.html b/index.html
index e406a2a..5b890e4 100644
--- a/index.html
+++ b/index.html
@@ -9,7 +9,7 @@
 
     <link rel="stylesheet" href="dist/reset.css">
     <link rel="stylesheet" href="dist/reveal.css">
-    <link rel="stylesheet" href="dist/theme/black.css">
+    <link rel="stylesheet" href="dist/theme/night.css">
 
     <!-- Theme used for syntax highlighted code -->
     <link rel="stylesheet" href="plugin/highlight/monokai.css">
@@ -220,7 +220,7 @@
                     <h2>What is a Computer?</h2>
                     <ul>
                         <li>A system of devices</li>
-                        <li>One or more CPU</li>
+                        <li>One or more processors</li>
                         <li>One or more buses</li>
                         <li>One or more blocks of memory</li>
                         <li>Some I/O</li>
@@ -385,6 +385,9 @@
                     Blocks are frequently reused across designs, and can save you from having to reimplement
                     everything from scratch!
                 </section>
+                <section>
+                    <h2>What if we need to write it ourselves?</h2>
+                </section>
                 <section>
                     <h2>Steps to Set Up a Serial Port</h2>
                     <ol>
@@ -393,6 +396,7 @@
                         <li class="fragment strike semi-fade-out" data-fragment-index="1">Mux GPIOs</li>
                         <li class="fragment strike semi-fade-out" data-fragment-index="1">Calculate baud rate</li>
                         <li>Write to UART TX register</li>
+                        <li>Read from UART RX register</li>
                     </ol>
                 </section>
                 <section>
@@ -430,7 +434,7 @@
                             public LiteX_UART(Machine machine) : base(machine)
                             {
                                 IRQ = new GPIO();
-                                var registersMap = new Dictionary<long, DoubleWordRegister>
+                                var registersMap = new Dictionary&lt;long, DoubleWordRegister>
                                 {
                                     {(long)Registers.RxTx, new DoubleWordRegister(this)
                                     .WithValueField(0, 8,