diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt
index c9dcade..5164a65 100644
--- a/tools/perf/Documentation/perf-annotate.txt
+++ b/tools/perf/Documentation/perf-annotate.txt
@@ -1,5 +1,5 @@
 perf-annotate(1)
-==============
+================
 
 NAME
 ----
diff --git a/tools/perf/Documentation/perf-bench.txt b/tools/perf/Documentation/perf-bench.txt
index 0181ddd..a3dbadb 100644
--- a/tools/perf/Documentation/perf-bench.txt
+++ b/tools/perf/Documentation/perf-bench.txt
@@ -1,5 +1,5 @@
 perf-bench(1)
-============
+=============
 
 NAME
 ----
diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt
index 8974e20..20d97d8 100644
--- a/tools/perf/Documentation/perf-diff.txt
+++ b/tools/perf/Documentation/perf-diff.txt
@@ -1,5 +1,5 @@
 perf-diff(1)
-==============
+============
 
 NAME
 ----
diff --git a/tools/perf/Documentation/perf-kmem.txt b/tools/perf/Documentation/perf-kmem.txt
index eac4d852e..a52fcde 100644
--- a/tools/perf/Documentation/perf-kmem.txt
+++ b/tools/perf/Documentation/perf-kmem.txt
@@ -1,5 +1,5 @@
 perf-kmem(1)
-==============
+============
 
 NAME
 ----
diff --git a/tools/perf/Documentation/perf-trace-python.txt b/tools/perf/Documentation/perf-trace-python.txt
index 16a8650..864aac2 100644
--- a/tools/perf/Documentation/perf-trace-python.txt
+++ b/tools/perf/Documentation/perf-trace-python.txt
@@ -1,5 +1,5 @@
 perf-trace-python(1)
-==================
+====================
 
 NAME
 ----
diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt
index 8879299..122ec9d 100644
--- a/tools/perf/Documentation/perf-trace.txt
+++ b/tools/perf/Documentation/perf-trace.txt
@@ -1,5 +1,5 @@
 perf-trace(1)
-==============
+=============
 
 NAME
 ----