diff --git a/INSTALL b/INSTALL
index 01b22e1b284..cac05ec8e3d 100644
--- a/INSTALL
+++ b/INSTALL
@@ -984,7 +984,7 @@ Perl comes with interfaces to number of libraries, including threads,
 dbm, ndbm, gdbm, and Berkeley db.  For the *db* extension, if
 Configure can find the appropriate header files and libraries, it will
 automatically include that extension.  The threading extension needs
-to be specified explicitely (see L<Threads>).
+to be specified explicitly (see L<Threads>).
 
 Those libraries are not distributed with perl. If your header (.h) files
 for those libraries are not in a directory normally searched by your C
diff --git a/installhtml b/installhtml
index b243df7d962..a4952817b03 100644
--- a/installhtml
+++ b/installhtml
@@ -170,7 +170,7 @@ $pod2html = "pod/pod2html";
 usage("") unless @ARGV;
 
 # Overcome shell's p1,..,p8 limitation.  
-# See vms/descrip_mms.template -> descrip.mms for invokation.
+# See vms/descrip_mms.template -> descrip.mms for invocation.
 if ( $^O eq 'VMS' ) { @ARGV = split(/\s+/,$ARGV[0]); }
 
 use vars qw( %Options );
diff --git a/installperl b/installperl
index d1eafe6d60d..74856aab18b 100755
--- a/installperl
+++ b/installperl
@@ -165,7 +165,7 @@ foreach my $ext_dir (@ext_dirs) {
 	{
 	    my($path, $modname) = ($1,$2);
 
-	    # Change hypenated name like Filter-Util-Call to nested
+	    # Change hyphenated name like Filter-Util-Call to nested
 	    # directory name Filter/Util/Call
 	    $path =~ s{-}{/}g;