wordsmithing

book/src/unsafe.md

@@ -23,10 +23,9 @@ undefined behavior. Additionally, code generated by the macro will not use the
 unsafe keyword, so generated code may be used in a crates using the 
 `#![forbid(unsafe_code)]` attribute.
 
-Disabling unsafe code will generally result in a slower parser overall, though rarely
-may end up slightly faster.
+Generally, disabling unsafe code will result in a slower parser.
 
-There are too many variables to consider between compiler optimizations, the specific
-grammar being parsed, and the target processor to make definitive statements about
-performance of safe-only code. The automated benchmarks of this crate shows around a
-10% slowdown in safe-only code as of the time of this writing.
+However making definitive statements around performance of safe-only code is difficult,
+as there are too many variables to consider between compiler optimizations,
+the specific grammar being parsed, and the target processor. The automated benchmarks
+of this crate show around a 10% slowdown in safe-only code at the time of this writing.