diff --git a/doc/slides/fig/jost_trap-3.pdf b/doc/slides/fig/jost_trap-3.pdf
old mode 100755
new mode 100644
diff --git a/doc/slides/taaccs.tex b/doc/slides/taaccs.tex
index 4f36413e6..584005f95 100644
--- a/doc/slides/taaccs.tex
+++ b/doc/slides/taaccs.tex
@@ -167,7 +167,7 @@ phi = n*cycles_to_time(dt_raw)*dds.ftw_to_frequency(f_raw)
     \item Complicated because of calibration, offsets, cable delays,
       non-linearities
     \item No generic way to do it automatically and correctly
-    \item $\rightarrow$ need to do it explixitly where it matters
+    \item $\rightarrow$ need to do it explicitly where it matters
   \end{itemize}
 \end{frame}