Fixed typo in new 'p' description.
diff --git a/Doc/lib/libstruct.tex b/Doc/lib/libstruct.tex
index 8d0ae60..026968c 100644
--- a/Doc/lib/libstruct.tex
+++ b/Doc/lib/libstruct.tex
@@ -100,7 +100,7 @@
the length of the string, or 255, whichever is smaller. The bytes
of the string follow. If the string passed in to \function{pack()} is too
long (longer than the count minus 1), only the leading count-1 bytes of the
-string are stored, If the string is shorter than count-1, it is padded
+string are stored. If the string is shorter than count-1, it is padded
with null bytes so that exactly count bytes in all are used. Note that
for \function{unpack()}, the \character{p} format character consumes count
bytes, but that the string returned can never contain more than 255