diff --git a/src/doc/unstable-book/src/language-features/c-variadic.md b/src/doc/unstable-book/src/language-features/c-variadic.md
index 9e7968d906fbf..001c1bfa9ec03 100644
--- a/src/doc/unstable-book/src/language-features/c-variadic.md
+++ b/src/doc/unstable-book/src/language-features/c-variadic.md
@@ -7,7 +7,7 @@ The tracking issue for this feature is: [#44930]
 ------------------------
 
 The `c_variadic` language feature enables C-variadic functions to be
-defined in Rust. The may be called both from within Rust and via FFI.
+defined in Rust. They may be called both from within Rust and via FFI.
 
 ## Examples