fix typos

doc/Language/statement-prefixes.pod6

@@ -207,9 +207,9 @@ number read from a channel.
 =head2 X<C<supply>|supply (statement prefix)>
 
 The keyword C<supply> creates
-L<on-demmand supplies|/language/concurrency#index-entry-supply_(on-demand)>
+L<on-demand supplies|/language/concurrency#index-entry-supply_(on-demand)>
 that you can tap. It pairs with C<emit>, which can be used anywhere from within
-a C<supply> preffixed statement.
+a C<supply> prefixed statement.
 
 =begin code
 my &cards = ->  {
@@ -230,7 +230,7 @@ $supply.tap( -> $v { say "Drawing: $v" }, done => { say "No more cards" });
 
 In this example, C<supply> acts as prefix of the previously defined C<cards>
 routine. It would very well be defined as a block, but giving it a name in this
-case might increase legibility or simply give the responsability of defining it
+case might increase legibility or simply give the responsibility of defining it
 to other module.
 
 =end pod

doc/Type/Encoding.pod6

@@ -22,7 +22,7 @@ consumers of the role.
 
     method name(--> Str)
 
-Abtract method that would return the primary name of the encoding.
+Abstract method that would return the primary name of the encoding.
 
 =head2 method alternative-names