Fix small error in comment

Author: sum01

httplibConfig.cmake.in

@@ -8,12 +8,13 @@ find_dependency(Threads REQUIRED)
 if(@HTTPLIB_REQUIRE_OPENSSL@)
 	find_dependency(OpenSSL @_HTTPLIB_OPENSSL_MIN_VER@ REQUIRED)
 elseif(@HTTPLIB_USE_OPENSSL_IF_AVAILABLE@)
-	# Look quietly since it's optional are optional
+	# Look quietly since it's optional
 	find_dependency(OpenSSL @_HTTPLIB_OPENSSL_MIN_VER@ QUIET)
 endif()
 if(@HTTPLIB_REQUIRE_ZLIB@)
 	find_dependency(ZLIB REQUIRED)
 elseif(@HTTPLIB_USE_ZLIB_IF_AVAILABLE@)
+	# Look quietly since it's optional
 	find_dependency(ZLIB QUIET)
 endif()