Minor restructuring

Author: niosus

lectures/error_handling.md

@@ -330,13 +330,6 @@ std::expected<std::string, std::string> GetAnswerFromLlm(const std::string& ques
 }
 ```
 
-This has all the benefits we mentioned before:
-
-- The signature of our function clearly states that it might fail
-- The error if it happens needs to be dealt with explicitly by the caller
-- Everything happens in deterministic time with no RTTI overhead
-- Works for functions returning `void` too
-
 Using it is also quite neat:
 
 ```cpp
@@ -350,6 +343,13 @@ int main() {
 }
 ```
 
+This has all the benefits we mentioned before:
+
+- The signature of our function clearly states that it might fail
+- The error if it happens needs to be dealt with explicitly by the caller
+- Everything happens in deterministic time with no unpredictable runtime overhead
+- Works for functions returning `void` too
+
 There is just one tiny issue that spoils our fun. As you've probably noticed, most of the things we covered until now targeted C++17, and `std::expected` is only available from C++23 on. But there is a solution to this: we can use [`tl::expected`](https://github.com/TartanLlama/expected) as a drop-in replacement for code bases that don't yet adopt C++23.
 
 ## Performance Considerations for `std::optional` and `std::expected`