Typo fixes / Grammar corrections (#30860)

* CONTRIBUTING.md: Misspelling

* BOUNTIES.md: Misspelling

* SAFETY.md: Grammar

* realtime.py: Comment consistency

* revert for now

---------

Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>

common/realtime.py

@@ -78,7 +78,7 @@ class Ratekeeper:
       time.sleep(self._remaining)
     return lagged
 
-  # this only monitor the cumulative lag, but does not enforce a rate
+  # Monitors the cumulative lag, but does not enforce a rate
   def monitor_time(self) -> bool:
     prev = self._last_monitor_time
     self._last_monitor_time = time.monotonic()

docs/BOUNTIES.md

@@ -14,7 +14,7 @@ New bounties can be proposed in the [**#contributing**](https://discord.com/chan
 
 ## Issue bounties
 
-We've tagged bounty eligible issues across openpilot and the rest of our repos; check out all the open ones [here](https://github.com/orgs/commaai/projects/26/views/1). These bounties roughly work out like this:
+We've tagged bounty-eligible issues across openpilot and the rest of our repos; check out all the open ones [here](https://github.com/orgs/commaai/projects/26/views/1). These bounties roughly work out like this:
 * **$100** - a few hours of work for an experienced openpilot developer; a good intro for someone new to openpilot
 * **$300** - a day of work for an experienced openpilot developer
 * **$500** - a few days of work for an experienced openpilot developer

docs/CONTRIBUTING.md

@@ -11,7 +11,7 @@ Our software is open source so you can solve your own problems without needing h
 
 ## What contributions are we looking for?
 
-**openpilot's priorities are [safety](SAFETY.md), stability, quality, and features, in that order.** openpilot is part of comma's mission to *solve self-driving cars while delivering shippable intermediaries*, and **all** developoment is towards that goal. 
+**openpilot's priorities are [safety](SAFETY.md), stability, quality, and features, in that order.** openpilot is part of comma's mission to *solve self-driving cars while delivering shippable intermediaries*, and **all** development is towards that goal. 
 
 ### What gets merged?