diff --git a/sys/contrib/ena-com/ena_com.c b/sys/contrib/ena-com/ena_com.c
--- a/sys/contrib/ena-com/ena_com.c
+++ b/sys/contrib/ena-com/ena_com.c
@@ -2448,8 +2448,8 @@
 	/* Go over all the events */
 	while ((READ_ONCE8(aenq_common->flags) &
 		ENA_ADMIN_AENQ_COMMON_DESC_PHASE_MASK) == phase) {
-		/* Make sure the phase bit (ownership) is as expected before
-		 * reading the rest of the descriptor.
+		/* Make sure the device finished writing the rest of the descriptor
+		 * before reading it.
 		 */
 		dma_rmb();