diff --git a/Objects/floatobject.c b/Objects/floatobject.c
index 92faa7c..e4ce7e7 100644
--- a/Objects/floatobject.c
+++ b/Objects/floatobject.c
@@ -2350,7 +2350,7 @@ _PyFloat_Pack8(double x, unsigned char *p, int le)
             flo = 0;
             ++fhi;
             if (fhi >> 28) {
-                /* And it also progagated out of the next 28 bits. */
+                /* And it also propagated out of the next 28 bits. */
                 fhi = 0;
                 ++e;
                 if (e >= 2047)