[clang-tidy NFC] Fix a typo in docs for sizeof-expression (#88912)

"Till heaven and earth pass, one jot, or one tittle shall not pass of
the law"

Author: NagyDonat

clang-tools-extra/docs/clang-tidy/checks/bugprone/sizeof-expression.rst

@@ -190,6 +190,6 @@ Options
 
 .. option:: WarnOnSizeOfPointerToAggregate
 
-   When `true, the check will warn on an expression like
+   When `true`, the check will warn on an expression like
    ``sizeof(expr)`` where the expression is a pointer
    to aggregate. Default is `true`.