diff --git a/lib/cretonne/src/regalloc/coalescing.rs b/lib/cretonne/src/regalloc/coalescing.rs
index 2437fd1a03..f23d55433e 100644
--- a/lib/cretonne/src/regalloc/coalescing.rs
+++ b/lib/cretonne/src/regalloc/coalescing.rs
@@ -907,7 +907,7 @@ impl VirtualCopies {
         self.filter.clear();
     }
 
-    /// Initialise virtual copies from the (interfering) values in a union-find virtual register
+    /// Initialize virtual copies from the (interfering) values in a union-find virtual register
     /// that is going to be broken up and reassembled iteratively.
     ///
     /// The values are assumed to be in domtree pre-order.