diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt
index c9dcade068312d843904107d51beb9d9497f2c4a..5164a655c39f60b578c8642f2caabe8af66fa016 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 0181dddf6b61438d3070939f4c271e8b16cd6b6e..a3dbadb26ef596d29f6e2e9c3a5326bff4dfdad7 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 8974e208cba6a72e67f1c78ed0754741c23d1e52..20d97d84ea1c37164005a4f38b8af5e23104ef93 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 eac4d852e7cdc8074d2c885c27744a99c147d9ec..a52fcde894c75ed2ab2a25cb3e8757f819b22e49 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 16a86500dcf1c8f26d05b3aa4dade47419650b27..864aac283a7b8764ca8bf9b130b7e300fc4f1a1f 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 8879299cd9dfe7e274a475eb1042c63ba875b42a..122ec9dc4853d079903d566a219a9e48d8a6a465 100644
--- a/tools/perf/Documentation/perf-trace.txt
+++ b/tools/perf/Documentation/perf-trace.txt
@@ -1,5 +1,5 @@
 perf-trace(1)
-==============
+=============
 
 NAME
 ----