Formatted all pages according to guidelines.

pages/osx/say.md

@@ -1,19 +1,19 @@
 # say
 
-> Uses text to speech to speak through the default sound device
+> Uses text to speech to speak through the default sound device.
 
-- Speak a phrase aloud
+- Speak a phrase aloud:
 
 `say "I like to ride my bike."`
 
-- Speak a file aloud
+- Speak a file aloud:
 
 `say -f {{filename}}`
 
-- Create an AAC compressed audio file with the spoken text
+- Create an AAC compressed audio file with the spoken text:
 
 `say -o {{filename.m4a}} "Everyone loves iTunes"`
 
-- List the available voices
+- List the available voices:
 
 `say -v '?'`