Minor comment changes to options.

options/options-default.txt

@@ -20,6 +20,8 @@ TargetFPS=60
 # Resolution scale is the percent of the screen resolution used to
 # render the game world. Accepted values are between 0.10 and 1.0.
 ResolutionScale=0.50
+
+# Player field of view in degrees.
 VerticalFOV=60.0
 
 # Each letterbox mode defines a particular aspect ratio for the game UI.
@@ -55,7 +57,7 @@ MidiConfig=data/eawpats/timidity.cfg
 
 SoundChannels=32
 
-# Sound resampling. Results may vary.
+# Sound resampling. Results vary based on your audio driver.
 # 0: default, 1: fastest, 2: medium, 3: best.
 SoundResampling=0
 
@@ -83,7 +85,7 @@ ArenaSavesPath=data/ArenaSaves
 # Determines whether the player ignores collision and can fly around.
 GhostMode=false
 
-# Shows the opening cinematic on program start.
+# Shows the opening cinematic on engine start.
 ShowIntro=true
 
 # Draws various profiler info in the game world. Higher profiler levels