rn-52: Minor changes to formatting

Author: jnareb

rev_news/drafts/edition-52.md

@@ -51,10 +51,10 @@ This edition covers what happened during the month of May 2019.
 [another picture](https://github.com/derrickstolee/FlameGraph/blob/git-test/git-test.svg)
  from a much smaller test.
 
- Gábor Szeder commented on Stolee's commands to ask why "GIT_TR2"
- instead of "GIT_TRACE2" was used in the environment variables
+ Gábor Szeder commented on Stolee's commands to ask why "`GIT_TR2`"
+ instead of "`GIT_TRACE2`" was used in the environment variables
  related to the Trace2 API. Gábor refered to Ken Thompson "who
- (allegedly?) later regretted spelling creat()/O_CREAT without the
+ (allegedly?) later regretted spelling `creat()`/`O_CREAT` without the
  'e'..."
 
  Jeff King, alias Peff, replied to Ævar's initial email asking