diff --git a/tools/perf/Documentation/perf.data-file-format.txt b/tools/perf/Documentation/perf.data-file-format.txt
index 0165e92e717e..de78183f6881 100644
--- a/tools/perf/Documentation/perf.data-file-format.txt
+++ b/tools/perf/Documentation/perf.data-file-format.txt
@@ -168,7 +168,7 @@ struct {
 };
 
 Example:
-	sibling cores   : 0-8
+	sibling sockets : 0-8
 	sibling dies	: 0-3
 	sibling dies	: 4-7
 	sibling threads : 0-1
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 64976254431c..06ddb6618ef3 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1460,7 +1460,7 @@ static void print_cpu_topology(struct feat_fd *ff, FILE *fp)
 	str = ph->env.sibling_cores;
 
 	for (i = 0; i < nr; i++) {
-		fprintf(fp, "# sibling cores   : %s\n", str);
+		fprintf(fp, "# sibling sockets : %s\n", str);
 		str += strlen(str) + 1;
 	}