Update Signature.pod6

Author: tisonkun

doc/Type/Signature.pod6

@@ -551,10 +551,10 @@ variable name:
 
 Aliases are also possible that way:
 
-    sub aliase-named(:color(:$colour), :type(:class(:$kind))) { say $colour ~ " " ~ $kind }
-    aliase-named(color => "red", type => "A");     # both name can be use
-    aliase-named(colour => "green", type => "B");  # more than two name is ok
-    aliase-named(color => "white", class => "C");  # every alias is independent
+    sub alias-named(:color(:$colour), :type(:class(:$kind))) { say $colour ~ " " ~ $kind }
+    alias-named(color => "red", type => "A");     # both name can be use
+    alias-named(colour => "green", type => "B");  # more than two name is ok
+    alias-named(color => "white", class => "C");  # every alias is independent
 
 More use of alias can be found in L<sub MAIN|/language/functions#sub_MAIN>