Question on invitation wording

I'm not sure about the wording on the response card.I really do value all of your opinions. I really have no clue when it comes to ettiquite.
This is what FH came up with for our invites please tell me if I'm missing anything with the wording. We are ordering them tomorrow night.

Mr. and Mrs. H.D
and
Mr. and Mrs. G.B
invite you to share in the joy
of the marriage uniting their children
Karen Jeanine
and
Joseph
This celebration of love will be on
April Twenty Fourth Two Thousand and Four
at xxxx O'Clock in the afternoon
Saint Josephs Roman Catholic Church
Kings Park, New York

For the Reception Card
To share in our happiness
Please join us for cocktails
followed by dinner reception
starting at xxx xxx in the evening
The Meadow Club
Port Jefferson, New York

The response card
We look forward to celebrating
with you
Please reply by March ,2004
M_________
___will attend ___will not attend
__Number of persons

The wording is good, I hope you don't mind that I moved/changed some things around on your invitation (in BOLD) -- hope you don't mind....

Mr. and Mrs. H.D
and
Mr. and Mrs. G.B
invite you to share in the joy
of the marriage uniting their children
Karen Jeanine
and
Joseph
This celebration of love will be on
[input day of the week,] the twenty fourth of April
Two thousand and four
at xxxx o'clock in the afternoon
St. Joseph's Church
[church's street address]
Kings Park, New York


When I ordered my invitations the girl said it wasn't nescessary to have Roman Catholic and we wrote St. instead of Saint, but I guess that's up to you.



I did my Reception and Response cards simple:

RECEPTION CARD:
Cocktail Hour at [time - lowercase] o'clock
Dinner to follow

[name of Reception hall]

[street address of Reception hall]
[City, State of Reception hall]


RESPONSE CARD:
Kindly respond on or before
[Month day, year]

M______________________
number of persons ____


You could also try http://www.verseit.com/

Hope it was helpful.