Lighten up tables.
diff --git a/Doc/libstruct.tex b/Doc/libstruct.tex
index 5703c05..5925328 100644
--- a/Doc/libstruct.tex
+++ b/Doc/libstruct.tex
@@ -39,7 +39,7 @@
Format characters have the following meaning; the conversion between C
and Python values should be obvious given their types:
-\begin{tableiii}{|c|l|l|}{samp}{Format}{C}{Python}
+\begin{tableiii}{c|l|l}{samp}{Format}{C Type}{Python}
\lineiii{x}{pad byte}{no value}
\lineiii{c}{char}{string of length 1}
\lineiii{b}{signed char}{integer}
@@ -81,7 +81,7 @@
indicate the byte order, size and alignment of the packed data,
according to the following table:
-\begin{tableiii}{|c|l|l|}{samp}{Character}{Byte order}{Size and alignment}
+\begin{tableiii}{c|l|l}{samp}{Character}{Byte order}{Size and alignment}
\lineiii{@}{native}{native}
\lineiii{=}{native}{standard}
\lineiii{<}{little-endian}{standard}