Prefer "smartmatch" over "smart match".

Author: cfa

doc/Language/js-nutshell.pod6

@@ -452,7 +452,7 @@ In Perl 6, C<given> can be used like switch statements. There is no equivalent
 to C<break> since C<when> blocks are most commonly used like C<case>
 statements. One major difference between C<switch> and C<given> is that a value
 passed to a C<switch> statement will only match cases that are exactly equal to
-the value; C<given> values are smart matched (C<~~>) against the C<when> values.
+the value; C<given> values are smartmatched (C<~~>) against the C<when> values.
 
 =begin code
 my     @ranklist = [2, 3, 4, 5, 6, 7, 8, 9, 'Jack', 'Queen', 'King', 'Ace'];