Ruby 18 will be available in Debian during the Wheezy life cycle but since security support from upstream will end in the next year it will not be shipped in subsequent major releases

Can you repeat this sentence, but add in punctuation?
Ruby 1.8 will be available in Debian during the Wheezy life cycle, but since security support from upstream will end in the next year, it will not be shipped in subsequent major releases.
If you visit the MS Maritime Museum of Denmark on the same day you get 20 discount on the ticket price by showing the ticket from MS Maritime Museum of Denmark

Can you repeat this sentence, but add in punctuation?
If you visit the M/S Maritime Museum of Denmark on the same day, you get 20% discount on the ticket price by showing the ticket from M/S Maritime Museum of Denmark
509 MHz faster memory clock speed

Can you repeat this sentence, but add in punctuation?
509 MHz faster memory clock speed.