Update welcome.md (#352)

I think the word "without" was missing.
sourcefrog · May 14, 2024 · ff6526a · ff6526a
2 parents 38d52a6 + 5ea815d
commit ff6526a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/book/src/welcome.md b/book/src/welcome.md
@@ -1,7 +1,7 @@
 # Welcome to cargo-mutants
 
 cargo-mutants is a mutation testing tool for Rust. It helps you improve your
-program's quality by finding places where bugs can be inserted
+program's quality by finding places where bugs can be inserted without
 causing any tests to fail.
 
 **The goal of cargo-mutants is to be _easy_ to run on any Rust source tree, and