diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 592615bb73eeb25d9526db2345abf76188906409..010eea9c5d3da9281edeec5635dbecb092724d89 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* doc/invoke.texi: Fix typos.  Follow spelling conventions.
+
 2004-09-16  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* doc/c-tree.texi (Classes): Remove index entries for
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index b172cd39166939457aacee7d3feb67f7d76cda16..e9f9cdedd2eaa402a8d3cc643352166ec6100d15 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -3658,7 +3658,7 @@ to the source file name.  If the @samp{-@var{options}} form is used,
 
 @item -fdump-ipa-@var{switch}
 @opindex fdump-ipa
-Control the dumping at various stages of inter-procedural analyisis
+Control the dumping at various stages of inter-procedural analysis
 language tree to a file.  The file name is generated by appending a switch
 specific suffix to the source file name. The following dumps are possible:
 
@@ -4620,7 +4620,7 @@ default at -O and higher.
 
 @item -ftree-ch
 Perform loop header copying on trees.  This is beneficial since it increases
-effectivity of code motion optimizations.  It also saves one jump.  This flag
+effectiveness of code motion optimizations.  It also saves one jump.  This flag
 is enabled by default at -O and higher.  It is not enabled for -Os, since it
 usually increases code size.
 
@@ -12114,7 +12114,7 @@ available to be linked against from outside the shared object.
 @code{protected} and @code{internal} are pretty useless in real-world
 usage so the only other commonly used option will be @code{hidden}.
 The default if -fvisibility isn't specified is @code{default} ie; make every
-symbol public - this causes the same behaviour as previous versions of
+symbol public - this causes the same behavior as previous versions of
 GCC.
      
 A good explanation of the benefits offered by ensuring ELF
@@ -12430,8 +12430,8 @@ precompiled header to be ignored, please consider filing a bug report,
 see @ref{Bugs}.
 
 If you do use differing options when generating and using the
-precompiled header, the actual behaviour will be a mixture of the
-behaviour for the options.  For instance, if you use @option{-g} to
+precompiled header, the actual behavior will be a mixture of the
+behavior for the options.  For instance, if you use @option{-g} to
 generate the precompiled header but not when using it, you may or may
 not get debugging information for routines in the precompiled header.