Help with some php

I am fairly new with php and im just basically creating simple scripts now and then. Anyway i can't seem to fix this syntax error, it's most likely a simple fix but oh well :).

I am making a comment system, a basic one where the user enter's his/her name & their message and displays it.

Heres the line which causes an error:

Code:

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$outputstring = "Name: " ,$name, "<br> Comment:<br> " ,$message, "<br>";

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and this is the error i receive:

Code:

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Parse error:  syntax error, unexpected ','

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Thanks alot

Code:

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$outputstring = "Name: " . $name ."<br> Comment:<br> " . $message ."<br>";

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thanks :)