diff --git a/src/racket/src/bgnfloat.inc b/src/racket/src/bgnfloat.inc
index 9a1d02c852..eb992f0f4f 100644
--- a/src/racket/src/bgnfloat.inc
+++ b/src/racket/src/bgnfloat.inc
@@ -3,7 +3,7 @@
 START_XFORM_SKIP;
 #endif
 
-/* Optimization someimtes causes a problem: d is represented in an
+/* Optimization sometimes causes a problem: d is represented in an
    extended format instead of a `double'. We don't want to turn off
    floatng-point optimizations in the rest of the program, so we use a
    little function to defeat the optimization: */