package/libcddb: fix typo in help text

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/libcddb/Config.in

@@ -15,6 +15,6 @@ if BR2_PACKAGE_LIBCDDB
 config BR2_PACKAGE_LIBCDDB_INSTALL_CDDB_QUERY
 	bool "install cddb_query"
 	help
-	  cddb_query is an optionnal libcddb test program.
+	  cddb_query is an optional libcddb test program.
 
 endif