README.adoc: be consistent in emphasizing

README.adoc

@@ -48,7 +48,7 @@ Not supported:
  - server linking (which also means no services); I consider existing protocols
    for this purpose ugly and tricky to implement correctly; I've also found no
    use for this feature yet
- - online changes to configuration; the configuration system from xC could
+ - online changes to configuration; the configuration system from 'xC' could
    be used to implement this feature if needed
  - limits of almost any kind, just connections and mode `+l`
 
@@ -78,7 +78,7 @@ Building
 --------
 Build dependencies: CMake, pkg-config, asciidoctor, awk, liberty (included) +
 Runtime dependencies: openssl +
-Additionally for xC: curses, libffi, lua >= 5.3 (optional),
+Additionally for 'xC': curses, libffi, lua >= 5.3 (optional),
                        readline >= 6.0 or libedit >= 2013-07-12
 
 Avoid libedit if you can, in general it works but at the moment history is
@@ -156,10 +156,10 @@ Beware that you can easily break the program if you're not careful.
 
 How do I make xC look like the screenshot?
 ------------------------------------------
-First of all, you must build it with Lua support.  With the defaults, xC doesn't
-look too fancy because I don't want to depend on Lua or 256-colour terminals.
-In addition to that, I appear to be one of the few people who use black on white
-terminals.
+First of all, you must build it with Lua support.  With the defaults, 'xC'
+doesn't look too fancy because I don't want to depend on Lua or 256-colour
+terminals.  In addition to that, I appear to be one of the few people who use
+black on white terminals.
 
  /set behaviour.date_change_line = "%a %e %b %Y"
  /set behaviour.plugin_autoload += "fancy-prompt.lua"