CLDR-17432 Fix markup bug

docs/ldml/tr35.md

@@ -1796,7 +1796,7 @@ Thus there are two cases where the truncation inheritance needs to be overridden
 The `parentLocale` element is used to override the normal inheritance when accessing CLDR data.
 
 For case 1, there is a special attribute and value, `localeRules="nonlikelyScript"`,
-which specifies **all locales** of the form <lang>_<script>, wherever the <script> is **not** the likely script for <lang>.
+which specifies **all locales** of the form `lang`_`script`, wherever the `script` is **not** the likely script for `lang`.
 For migration, the previous short list of locales (a subset of the nonlikelyScript locales) is retained,
 but those locales are slated for removal in the future.
 For example, `ru_Latn` is not included in the short list but is included (programmatically) in the rule.