found more backquotes to add

Author: kaesle

src/hello-world/viewing-contents.md

@@ -1,4 +1,4 @@
-# Viewing the contents of your repository with jj log
+# Viewing the contents of your repository with `jj log`
 
 Let's look at our chain of changes:
 

src/introduction/introduction.md

@@ -24,13 +24,13 @@ some people never try again, and some who try don't get over the hump, but this
 used to happen quite often, enough to be remarkable. So that's what I decided
 with `jj`. I'd figure this stuff out later.
 
-Well, recently [Chris Krycho wrote an article about jj][chris]. I liked it. I
+Well, recently [Chris Krycho wrote an article about `jj`][chris]. I liked it. I
 didn't fully grok everything, but it at least felt like I could understand this
 thing finally maybe. I didn't install it, but just sat with it for a while.
 
 I don't know if that is why, but I awoke unusually early one morning. I
 couldn't get back to sleep. Okay. Fine. Let's do this. I opened up [the official
-jj tutorial][jj-vevo], installed `jj`, made this repository on GitHub, followed
+`jj` tutorial][jj-vevo], installed `jj`, made this repository on GitHub, followed
 the "cloning a git repo" instructions to pull it down, and started this mdBook.
 
 What follows is exactly what the title says: it's to teach me `jj`. I am

src/introduction/what-is-jj-and-why-should-i-care.md

@@ -1,4 +1,4 @@
-# What is jj and why should I care?
+# What is `jj` and why should I care?
 
 `jj` is the name of the CLI for [Jujutsu][jj]. Jujutsu is a DVCS, or
 "distributed version control system." You may be familiar with other DVCSes,