diff --git a/gdb-best-friend.tex b/gdb-best-friend.tex
index 1bc2b6b..ba4b126 100644
--- a/gdb-best-friend.tex
+++ b/gdb-best-friend.tex
@@ -194,7 +194,7 @@ main (int argc, char *argv[])
 \begin{frame}[fragile]
 	\frametitle{\stap{} \texttt{SDT} probes}
 	\begin{itemize}
-		\item{Pre-req for \gdb{}:  \probe{} v3, \verb|systemtap-sdt-devel >= 1.4|.}
+		\item{Pre-req:  \probe{} v3, \verb|systemtap-sdt-devel >= 1.4|.}
 		\begin{block}{Example code -- \texttt{example-stap.c}}
 		\tiny
 		\begin{lstlisting}[language=c,showstringspaces=false]
@@ -266,7 +266,7 @@ process("./example-stap").mark("my_probe") $arg1:long
 \$> gdb /tmp/example-stap
 ...
 (gdb) info probes
-Provider   Name       Where               Semaphore           Object
+Provider     Name       Where               Semaphore         Object
 example-stap my_probe   0x000000000040047b                    /tmp/example-stap
 (gdb) break -probe-stap my_probe
 Breakpoint 1 at 0x40047b