fix: markdown warnings

and some grammar

Author: ThisAMJ

content/01_newrules.md

@@ -18,5 +18,3 @@
 >
 > Note that this does not apply to the [Least Portals category](https://lp.portal2.sr),
 > where precision is still allowed to be 3-6 decimals.
-
- 

content/04_timing.md

@@ -13,9 +13,9 @@ timed. This can be done using `sar_speedrun_time_pauses 1`, or manually with vid
 evidence.
 
 In Challenge Mode due to spawn timings for orange being semi-random we've set the fastest legal
-time orange can hit the ground to be 2.46s for the following maps: Doors, Laser Crusher, 
-Infinifling, Team Retrieval, Fling Crushers, Catapults, Bridge Swap, Cooperative Funnels, 
-Funnel Laser, Funnel Catch, and Catapult Catch. These are currently the only maps being 
+time orange can hit the ground to be 2.46s for the following maps: Doors, Laser Crusher,
+Infinifling, Team Retrieval, Fling Crushers, Catapults, Bridge Swap, Cooperative Funnels,
+Funnel Laser, Funnel Catch, and Catapult Catch. These are currently the only maps being
 majorly impacted by having faster than normal spawns. More may be added to the list later
 as maps become more optimized.
 

content/05_proof-standards.md

@@ -12,13 +12,13 @@ suspicious websites.
 
 Demos must be submitted for every segment of the run, in the correct order, with none
 missing. You must only submit the demos that are relevant to your run. You must start
-recording demos before the run begins where possible, or otherwise as soon as you 
+recording demos before the run begins where possible, or otherwise as soon as you
 can - it is recommended to use `sar_record_at` to achieve this. On runs with multiple
-segments, demos must be recorded across loads - this is normally expected to be 
+segments, demos must be recorded across loads - this is normally expected to be
 achieved via the `sar_autorecord` command, but categories may define different methods.
 
-The only websites allowed for uploading demos are Google Drive, and Mediafire. If 
-you are uploading to Mediafire it is a requirement to zip the demos for your run.
+The only websites allowed for uploading demos are Google Drive, and MediaFire. If
+you are uploading to MediaFire it is a requirement to zip the demos for your run.
 If you can't upload to either of these sites due to restrictions in your country then
 please request a waiver from a Moderator. We do not want anyone to have to make a purchase
 in order to submit their speedrun. Waivers will only be given out to those who cannot

content/06_games/00_portal-2.md

@@ -39,4 +39,4 @@ Unless otherwise specified, partial campaign runs (e.g. chapter runs) are timed
 subset of the relevant campaign, so e.g. Chapter 9 runs begin timing as soon as the
 player loads into Finale 1 and end timing when the player shoots the moon.
 If SAR is not used in a run then the user must submit live video of the run
-as evidence.
+as evidence.