diff --git a/hw/cxl/cxl-host.c b/hw/cxl/cxl-host.c
index 1adf61231a..3c1ec8732a 100644
--- a/hw/cxl/cxl-host.c
+++ b/hw/cxl/cxl-host.c
@@ -47,7 +47,7 @@ static void cxl_fixed_memory_window_config(CXLState *cxl_state,
 
     if (object->size % (256 * MiB)) {
         error_setg(errp,
-                   "Size of a CXL fixed memory window must my a multiple of 256MiB");
+                   "Size of a CXL fixed memory window must be a multiple of 256MiB");
         return;
     }
     fw->size = object->size;