diff -up ./tcpdump.1.in.orig ./tcpdump.1.in
--- ./tcpdump.1.in.orig	2010-03-12 02:56:44.000000000 +0100
+++ ./tcpdump.1.in	2011-08-24 14:47:56.000000000 +0200
@@ -256,7 +256,7 @@ Print the link-level header on each dump
 .B \-E
 Use \fIspi@ipaddr algo:secret\fP for decrypting IPsec ESP packets that
 are addressed to \fIaddr\fP and contain Security Parameter Index value
-\fIspi\fP. This combination may be repeated with comma or newline seperation.
+\fIspi\fP. This combination may be repeated with comma or newline separation.
 .IP
 Note that setting the secret for IPv4 ESP packets is supported at this time.
 .IP
@@ -272,7 +272,7 @@ The ability to decrypt packets is only p
 with cryptography enabled.
 .IP
 \fIsecret\fP is the ASCII text for ESP secret key. 
-If preceeded by 0x, then a hex value will be read.
+If preceded by 0x, then a hex value will be read.
 .IP
 The option assumes RFC2406 ESP, not RFC1827 ESP.
 The option is only for debugging purposes, and
@@ -998,7 +998,7 @@ Recall the structure of a TCP header wit
 -----------------------------------------------------------------
 |                        sequence number                        |
 -----------------------------------------------------------------
-|                     acknowledgment number                     |
+|                     acknowledgement number                    |
 -----------------------------------------------------------------
 |  HL   | rsvd  |C|E|U|A|P|R|S|F|        window size            |
 -----------------------------------------------------------------
@@ -1281,7 +1281,7 @@ Be warned that with -v a single SMB pack
 may take up a page or more, so only use -v if you really want all the
 gory details.
 
-For information on SMB packet formats and what all te fields mean see
+For information on SMB packet formats and what all the fields mean see
 www.cifs.org or the pub/samba/specs/ directory on your favorite
 samba.org mirror site.
 The SMB patches were written by Andrew Tridgell