diff --git a/webtools/bonsai/CHANGES b/webtools/bonsai/CHANGES
index c04f17a53ef9..f075090e49eb 100644
--- a/webtools/bonsai/CHANGES
+++ b/webtools/bonsai/CHANGES
@@ -1,5 +1,5 @@
 This file contains only important changes made to Bonsai.  If you
-are updating from an older verseion, make sure that you check this file!
+are updating from an older version, make sure that you check this file!
 
 For a more complete list of what has changed, use Bonsai itself, at
 (http://cvs-mirror.mozilla.org/webtools/bonsai/cvsqueryform.cgi) to
diff --git a/webtools/bonsai/INSTALL b/webtools/bonsai/INSTALL
index 3c4ef974647c..8aaa3b09daaf 100644
--- a/webtools/bonsai/INSTALL
+++ b/webtools/bonsai/INSTALL
@@ -165,7 +165,7 @@ Here is the short list of changes I had to make
     you are going to use LXR/Bonsai
 
   file: template-*
-    Here you will probably want to watch closely at the places whare
+    Here you will probably want to watch closely at the places where
     you see the word 'mozilla' near '.cgi'. There are a lot of
     mozilla-specific paths hardcoded
     
@@ -210,7 +210,7 @@ want to edit it to use the user and password you want for the bonsai
 database.
 Then go to Bonsai administration page and press "Rebuild CVS history"
 button. Then you may go to the theater and watch a movie or two. It
-will talke a lot of time. It takes several seconds to process one
+will take a lot of time. It takes several seconds to process one
 file. The more revisions in file the more time it will take. My SUN
 workstation with 2x200Mhz UltraSPARC processors run about an hour to
 process about 4K files with 20K+ revisions. Your mileage may vary.
@@ -238,7 +238,7 @@ or whatever is appropriate for your mail transport agent.
 by making CVS send e-mail about each checkin.  (See the comments at
 the top of dolog.pl for some clues.) One alternative theory would be
 to take advantage of the CVS history command, which provides
-all necessary information to get list of files recently commited, so
+all necessary information to get the list of recently committed files, so
 there is no need to send/process email. Just set up a cron job that
 will periodically look for CVS tree changes and update database.  On
 the other hand, it's not at all clear how efficient the cvs history
@@ -250,7 +250,7 @@ tree  translations. Another thing to configure - banners.
   c) LXR could be improved in a number of ways. Using MySQL database
 instead of DB would probably be a good idea. It's unclear what impact
 it will have on performance though. Incremental database updates would
-be nice. It might be also nice to borrow syntax highliting from LSN.
+be nice. It might also be nice to borrow syntax highlighting from LSN.
 
 
 5. Conclusion.
diff --git a/webtools/bonsai/README b/webtools/bonsai/README
index 887ce797853f..0f6151343c92 100644
--- a/webtools/bonsai/README
+++ b/webtools/bonsai/README
@@ -63,7 +63,7 @@ params:	This file contains many operating parameters.  This can be
 	edited using the editparams.cgi webpage; you should probably
 	not edit it directory.
 
-	The ./configure script will make a guess on the paramaters
+	The ./configure script will make a guess at the parameters
 	that control paths for scripts to execute, and create an
 	initial params file for you.  It looks for things on your
 	PATH, so if it complains, add the directories in which these
diff --git a/webtools/bonsai/contacthelp.html b/webtools/bonsai/contacthelp.html
index 7c3574c50a5a..1c56a4e12fc2 100644
--- a/webtools/bonsai/contacthelp.html
+++ b/webtools/bonsai/contacthelp.html
@@ -6,7 +6,7 @@
 <h1>Changing other people's contact info.</h1>
 
 Occasionally, you need to change the "contact info" listed for some
-other person.  (Like, they just called you on their celphone from the
+other person.  (Like, they just called you on their cellphone from the
 horrible traffic accident they just got in, and need you to go on the
 hook for them.)  Well, it's easy.  Go ahead onto their contact page,
 change the contact info field, and type your own username and UNIX
diff --git a/webtools/bonsai/cvsquery.cgi b/webtools/bonsai/cvsquery.cgi
index 778996aa87b4..17eb19304a76 100755
--- a/webtools/bonsai/cvsquery.cgi
+++ b/webtools/bonsai/cvsquery.cgi
@@ -330,7 +330,7 @@ sub print_result {
         $span = 1;
         if( ($l = $ci->[$::CI_LOG]) ne '' ){
             #
-            # Calculate the number of consequitive logs that are
+            # Calculate the number of consecutive logs that are
             #  the same and nuke them
             #
             $j = $k+1;
diff --git a/webtools/bonsai/cvsqueryform.cgi b/webtools/bonsai/cvsqueryform.cgi
index 6011e358e6e3..d84b6d9becf5 100755
--- a/webtools/bonsai/cvsqueryform.cgi
+++ b/webtools/bonsai/cvsqueryform.cgi
@@ -67,7 +67,7 @@ print "
 
 
 #
-# check to see if there are multple repositories
+# check to see if there are multiple repositories
 #
 my @reposList = &getRepositoryList();
 my $bMultiRepos = (@reposList > 1);
diff --git a/webtools/bonsai/cvsregexp.html b/webtools/bonsai/cvsregexp.html
index b9d777f0ccce..f415395ffbdb 100644
--- a/webtools/bonsai/cvsregexp.html
+++ b/webtools/bonsai/cvsregexp.html
@@ -11,7 +11,7 @@
 Description of MySQL regular expression syntax.</H1>
 Regular expressions are a powerful way of specifying complex searches.
 
-<P><B>MySQL</B> uses regular Henry Spencers inplementation of regular expressions.
+<P><B>MySQL</B> uses Henry Spencer's implementation of regular expressions.
 And that is aimed to conform to POSIX 1003.2. <B>MySQL</B> uses the extended
 version.
 
@@ -121,7 +121,7 @@ mysql> select "pipi" regexp "^(pi)+$";&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
 <TT>{2,3}</TT></DT>
 
 <DD>
-The is a more general way of writing regexps that match many occurences.</DD>
+There is a more general way of writing regexps that match many occurrences.</DD>
 
 <DL COMPACT>
 <DT>
@@ -142,7 +142,7 @@ Can be written as <TT>a{1,}</TT>.</DD>
 <DD>
 Can be written as <TT>a{0,1}</TT>.</DD>
 </DL>
-To be more precice an atom followed by a bound containing one integer <TT>i</TT>
+To be more precise, an atom followed by a bound containing one integer <TT>i</TT>
 and no comma matches a sequence of exactly <TT>i</TT> matches of the atom.
 An atom followed by a bound containing one integer <TT>i</TT> and a comma
 matches a sequence of <TT>i</TT> or more matches of the atom. An atom followed
@@ -162,7 +162,7 @@ Any character which is (not if ^ is used) either <TT>a</TT>, <TT>b</TT>,
 <TT>c</TT>, <TT>d</TT> or <TT>X</TT>. To include <TT>]</TT> it has to be
 written first. To include <TT>-</TT> it has to be written first or last.
 So <TT>[0-9]</TT> matches any decimal digit. All character that does not
-have a defined mening inside a <TT>[]</TT> pair has no special meaning
+have a defined meaning inside a <TT>[]</TT> pair has no special meaning
 and matches only itself.</DD>
 
 <PRE>mysql> select "aXbc" regexp "[a-dXYZ]";&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -> 1
diff --git a/webtools/bonsai/defparams.pl b/webtools/bonsai/defparams.pl
index 78d3819306bc..be910a6e6d19 100644
--- a/webtools/bonsai/defparams.pl
+++ b/webtools/bonsai/defparams.pl
@@ -244,7 +244,7 @@ DefParam("bugsystemexpr",
          'Bugsystemexpr defines what to replace a number found in log
          messages with.  It is used to generate an HTML reference to
          the bug database in the displayed text.  The number of the
-         bug found can be inserted using the %bug_id% substition.',
+         bug found can be inserted using the %bug_id% substitution.',
          "t",
          '<A HREF="%bugs_base%show_bug.cgi?id=%bug_id%">%bug_id%</A>');
 
diff --git a/webtools/bonsai/rebuildcvshistory.cgi b/webtools/bonsai/rebuildcvshistory.cgi
index db6282a39fd2..4235f46f1fb3 100755
--- a/webtools/bonsai/rebuildcvshistory.cgi
+++ b/webtools/bonsai/rebuildcvshistory.cgi
@@ -150,7 +150,7 @@ sub ProcessOneFile {
 
                          elsif ($line =~ /^branches: [0-9 .;]*$/) {
                               # Ignore these lines; make sure they don't
-                              # become part of the desciption.
+                              # become part of the description.
                          }
 
                          else {