Update posts/2024-05-02-Rust-1.78.0.md

Co-authored-by: scottmcm <[email protected]>

Author: Mark-Simulacrum

posts/2024-05-02-Rust-1.78.0.md

@@ -88,7 +88,7 @@ The Rust standard library has a number of assertions for the preconditions of `u
 
 Now, the condition for these assertions is delayed until code generation, so they will be checked depending on the user's own setting for debug assertions -- enabled by default in debug and test builds. This change helps users catch undefined behavior in their code, though the details of how much is checked are generally not stable.
 
-For example, [`slice::from_raw_parts`](https://doc.rust-lang.org/std/slice/fn.from_raw_parts.html) requires an aligned non-null pointer. The following use of a purposely-misaligned pointer has undefined behavior, and while that may not have obvious effects, the debug assertion can now catch it:
+For example, [`slice::from_raw_parts`](https://doc.rust-lang.org/std/slice/fn.from_raw_parts.html) requires an aligned non-null pointer. The following use of a purposely-misaligned pointer has undefined behavior, and while if you were unlucky it may have *appeared* to "work" in the past, the debug assertion can now catch it:
 
 ```rust
 fn main() {