diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2
index 58fa89805..e5283d08d 100644
--- a/man2/perf_event_open.2
+++ b/man2/perf_event_open.2
@@ -576,7 +576,7 @@ for measuring local memory accesses
 .P
 and
 .I perf_hw_cache_op_id
-is one of
+is one of:
 .RS 4
 .TP
 .B PERF_COUNT_HW_CACHE_OP_READ
@@ -591,7 +591,7 @@ for prefetch accesses
 .P
 and
 .I perf_hw_cache_op_result_id
-is one of
+is one of:
 .RS 4
 .TP
 .B PERF_COUNT_HW_CACHE_RESULT_ACCESS