comments & remove auth changes

Author: baileympearson

source/transactions-convenient-api/transactions-convenient-api.md

@@ -118,18 +118,18 @@ This method should perform the following sequence of actions:
 
     1. Record the current monotonic time, which will be used to enforce the 120-second / CSOT timeout before later retry
         attempts.
-    2. Set `transactionAttempt` to `0`. This will be used for backoff later in steps 6.2 and 9.2.
+    2. Set `transactionAttempt` to `0`.
     3. Set `TIMEOUT_MS` to be `timeoutMS` if given, otherwise 120-seconds.
 
 2. If `transactionAttempt` > 0:
 
-    1. If elapsed time + `backoffMS` > `TIMEOUT_MS`, then raise the callback's error. If the elapsed time of
+    1. If elapsed time + `backoffMS` > `TIMEOUT_MS`, then raise the previously encountered error. If the elapsed time of
         `withTransaction` is less than TIMEOUT_MS, calculate the backoffMS to be
-        `jitter * min(BACKOFF_INITIAL * (1.5**transactionAttempt - 1), BACKOFF_MAX)`. sleep for `backoffMS`.
+        `jitter * min(BACKOFF_INITIAL * 1.5 ** (transactionAttempt - 1), BACKOFF_MAX)`. sleep for `backoffMS`.
 
         1. jitter is a random float between \[0, 1)
 
-        2. transactionAttempt is the variable defined in step 1.
+        2. `transactionAttempt` is the variable defined in step 1.
 
         3. `BACKOFF_INITIAL` is 5ms
 
@@ -172,7 +172,7 @@ This method should perform the following sequence of actions:
 10. If `commitTransaction` reported an error:
 
     1. If the `commitTransaction` error includes a "UnknownTransactionCommitResult" label and the error is not
-        MaxTimeMSExpired and the elapsed time of `withTransaction` is less than TIMEOUT_MS, jump back to step eight. We
+        MaxTimeMSExpired and the elapsed time of `withTransaction` is less than TIMEOUT_MS, jump back to step nine. We
         will trust `commitTransaction` to apply a majority write concern on retry attempts (see:
         [Majority write concern is used when retrying commitTransaction](#majority-write-concern-is-used-when-retrying-committransaction)).