ks: Add comma for improved readability
@@ -192,7 +192,7 @@ static void elektraOpmphmCopy (KeySet * dest ELEKTRA_UNUSED, const KeySet * sour
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* @snippet ksNew.c No Allocation
*
- * But if you have any clue how large your keyset maybe you should
+ * But if you have any clue how large your keyset may be, you should
* read the next statements.
*
* If you want a keyset with length 15 (because you know of your
