fix typos

eli-se++

Author: coke

lib/Language/functions.pod

@@ -549,7 +549,7 @@ sub double(Int(Cool) $x) {
 }
 
 say double '21';    # 42
-say dobule Any;     # Type check failed in binding $x; expected 'Cool' but got 'Any'
+say double Any;     # Type check failed in binding $x; expected 'Cool' but got 'Any'
 =end code
 
 Here the C<Int> is the target type to which the argument will be coerced, and
@@ -559,6 +559,6 @@ If the accepted input type is L<Any|/type/Any>, you can abbreviate C<Int(Any)>
 to C<Int()>.
 
 Coercion types are supposed to work wherever types work, but Rakudo currently
-(2015.02) only implements them for subroutine paramters.
+(2015.02) only implements them for subroutine parameters.
 
 =end pod