diff --git a/slides.tex b/slides.tex
index a9e18e7..f24dd74 100644
--- a/slides.tex
+++ b/slides.tex
@@ -196,18 +196,29 @@ Segmentation fault.
 0084a19 & rsp+56 & c-56 & c-48 & c-40 & c-32 & c-24 & c-16 & c-8 \\
 0084a1d & rsp+48 & c-56 & c-48 & c-40 & c-32 & c-24 & c-16 & c-8 \\
 0084a1e & rsp+40 & c-56 & c-48 & c-40 & c-32 & c-24 & c-16 & c-8 \\
-0084a20 & rsp+32 & c-56 & c-48 & c-40 & c-32 & c-24 & c-16 & c-8 \\
-0084a22 & rsp+24 & c-56 & c-48 & c-40 & c-32 & c-24 & c-16 & c-8 \\
-0084a24 & rsp+16 & c-56 & c-48 & c-40 & c-32 & c-24 & c-16 & c-8 \\
-0084a26 & rsp+8 & c-56 & c-48 & c-40 & c-32 & c-24 & c-16 & c-8 \\
-0084a30 & rsp+64 & c-56 & c-48 & c-40 & c-32 & c-24 & c-16 & c-8 \\
     \end{tabular}
+    \vspace{1em}
 
-    \pause{}
-
-    \vspace{-3cm}
-    \hfill\includegraphics[height=3cm, angle=45, origin=c]{img/dwarf_logo}
-    \hspace{-1cm}
+    \only<1>{\vspace{19mm}}
+    \begin{columns}
+        \begin{column}{0.50\textwidth}
+            \only<2->{
+                \begin{tcolorbox}[enhanced, halign=center, frame hidden, colback=YellowGreen]
+                    \textbf{For each instruction\ldots}\\
+                    (identified by its program counter)
+                \end{tcolorbox}
+            }
+        \end{column}
+        \begin{column}{0.50\textwidth}
+            \only<3->{
+                \begin{tcolorbox}[enhanced, halign=center, frame hidden,
+                        interior style={right color=Apricot, left color=Thistle}]
+                        \textbf{\ldots{}an expression to compute its return address
+                        location on the stack}
+                \end{tcolorbox}
+            }
+        \end{column}
+    \end{columns}
 \end{frame}
 
 \begin{frame}[t, fragile]{The real DWARF}