diff --git a/README b/README
index 6871169..9c19b70 100644
--- a/README
+++ b/README
@@ -141,7 +141,7 @@ What it does
             return $self->{$key};
         }
 
-    Methods have a special bit of syntax. If the first item in the siganture
+    Methods have a special bit of syntax. If the first item in the signature
     is $var: it will change the variable used to store the invocant.
 
         method new($class: %args) {
diff --git a/lib/perl5i.pm b/lib/perl5i.pm
index 7adf734..1153e1c 100644
--- a/lib/perl5i.pm
+++ b/lib/perl5i.pm
@@ -196,7 +196,7 @@ C<$self>.
     }
 
 Methods have a special bit of syntax.  If the first item in the
-siganture is C<$var:> it will change the variable used to store the
+signature is C<$var:> it will change the variable used to store the
 invocant.
 
     method new($class: %args) {
diff --git a/lib/perl5i/2/CODE.pm b/lib/perl5i/2/CODE.pm
index f01b3b0..b32184d 100644
--- a/lib/perl5i/2/CODE.pm
+++ b/lib/perl5i/2/CODE.pm
@@ -4,7 +4,7 @@ use 5.010;
 use strict;
 use warnings;
 
-# Can't use sigantures here, Signatures needs CODE.
+# Can't use signatures here, Signatures needs CODE.
 
 use Hash::FieldHash qw(fieldhashes);
 fieldhashes \my(%Signatures);