Fix a small typo in chapter 23 where <UNAME> should have backticks

diff --git a/md/language.md b/md/language.md
index 4494f87db567dfc392e3ae2e2f6c6ee5a5453237..ce40369f6c85101f61c60a72a8938d44cda8622c 100644 (file)
--- a/md/language.md
+++ b/md/language.md
@@ -8774,7 +8774,7 @@ logged-in directory in the Tenex and Tops-20 versions.
 
 returns a `STRING` which is the "intended user name" of MDL's process.
 This is the "xuname" process-control variable in the ITS version and
-identical to <UNAME> in the Tenex and Tops-20 versions.
+identical to `<UNAME>` in the Tenex and Tops-20 versions.
 
     <JNAME>