diff --git a/tools/perf/Documentation/perf-data.txt b/tools/perf/Documentation/perf-data.txt
index 90bb4aabe4f8d48e928c1fd4ae82d45ae7baeb50..c87180764829c069c27c7c4cfaec4f43248ac29d 100644
--- a/tools/perf/Documentation/perf-data.txt
+++ b/tools/perf/Documentation/perf-data.txt
@@ -1,5 +1,5 @@
 perf-data(1)
-==============
+============
 
 NAME
 ----
diff --git a/tools/perf/Documentation/perf-ftrace.txt b/tools/perf/Documentation/perf-ftrace.txt
index 721a447f046ea0672db99a5f12040e8a776d993b..b80c84307dc9ec2771afd0dbce168b301d85edf7 100644
--- a/tools/perf/Documentation/perf-ftrace.txt
+++ b/tools/perf/Documentation/perf-ftrace.txt
@@ -1,5 +1,5 @@
 perf-ftrace(1)
-=============
+==============
 
 NAME
 ----
diff --git a/tools/perf/Documentation/perf-kallsyms.txt b/tools/perf/Documentation/perf-kallsyms.txt
index cf9f4040ea5c7ae1b5890d973efa53592efbe56a..f3c620951f6eb945a211db4c7cb58156c9492c9c 100644
--- a/tools/perf/Documentation/perf-kallsyms.txt
+++ b/tools/perf/Documentation/perf-kallsyms.txt
@@ -1,5 +1,5 @@
 perf-kallsyms(1)
-==============
+================
 
 NAME
 ----
diff --git a/tools/perf/Documentation/perf-sched.txt b/tools/perf/Documentation/perf-sched.txt
index c7e50f26388733eb6c559c70d869e9fc9091992b..bb33601a823b4e26f13f3fa218ebef2548af2a67 100644
--- a/tools/perf/Documentation/perf-sched.txt
+++ b/tools/perf/Documentation/perf-sched.txt
@@ -1,5 +1,5 @@
 perf-sched(1)
-==============
+=============
 
 NAME
 ----
diff --git a/tools/perf/Documentation/perf-script-perl.txt b/tools/perf/Documentation/perf-script-perl.txt
index 142606c0ec9c1dcbb9329f23cb9b9bc65085c419..5a1f68122f50aaaa13baa1d8491a40dbdce92f47 100644
--- a/tools/perf/Documentation/perf-script-perl.txt
+++ b/tools/perf/Documentation/perf-script-perl.txt
@@ -1,5 +1,5 @@
 perf-script-perl(1)
-==================
+===================
 
 NAME
 ----