diff --git a/docs/faq.rst b/docs/faq.rst
index 41295833..fa0c68a2 100644
--- a/docs/faq.rst
+++ b/docs/faq.rst
@@ -84,14 +84,14 @@ error: reference to ‘time’ is ambiguous
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 Unfortunately, if `using-directives <https://en.cppreference.com/w/cpp/language/namespace#Using-directives>`_
-(i.e. :expr:`using namespace units::physical::si`) are being used, `units::physical::si::time` will
+(i.e. ``using namespace units::physical::si``) are being used, `units::physical::si::time` will
 collide with C `time <https://en.cppreference.com/w/c/chrono/time>`_ function. In such a case the library's
 `time` function needs to be prefixed with at least one (or all) namespace names.
 
 error: template argument 1 is invalid
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-Again, usage of :expr:`using namespace units`
+Again, usage of ``using namespace units``
 `using-directive <https://en.cppreference.com/w/cpp/language/namespace#Using-directives>`_ may result in
 the collision between `units::exp` class template and C `exp <https://en.cppreference.com/w/c/numeric/math/exp>`_
 function. In such a case the library's `exp` class template needs to be prefixed with `units` namespace name.