diff --git a/doc/h2load.1 b/doc/h2load.1
index d632e656..8de67437 100644
--- a/doc/h2load.1
+++ b/doc/h2load.1
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "H2LOAD" "1" "Apr 19, 2017" "1.22.0-DEV" "nghttp2"
+.TH "H2LOAD" "1" "Apr 24, 2017" "1.22.0" "nghttp2"
 .SH NAME
 h2load \- HTTP/2 benchmarking tool
 .
diff --git a/doc/nghttp.1 b/doc/nghttp.1
index 67069c62..6f1ef989 100644
--- a/doc/nghttp.1
+++ b/doc/nghttp.1
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "NGHTTP" "1" "Apr 19, 2017" "1.22.0-DEV" "nghttp2"
+.TH "NGHTTP" "1" "Apr 24, 2017" "1.22.0" "nghttp2"
 .SH NAME
 nghttp \- HTTP/2 client
 .
diff --git a/doc/nghttpd.1 b/doc/nghttpd.1
index ebdb8897..6482409f 100644
--- a/doc/nghttpd.1
+++ b/doc/nghttpd.1
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "NGHTTPD" "1" "Apr 19, 2017" "1.22.0-DEV" "nghttp2"
+.TH "NGHTTPD" "1" "Apr 24, 2017" "1.22.0" "nghttp2"
 .SH NAME
 nghttpd \- HTTP/2 server
 .
diff --git a/doc/nghttpx.1 b/doc/nghttpx.1
index 7d92c05c..342c17d0 100644
--- a/doc/nghttpx.1
+++ b/doc/nghttpx.1
@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "NGHTTPX" "1" "Apr 19, 2017" "1.22.0-DEV" "nghttp2"
+.TH "NGHTTPX" "1" "Apr 24, 2017" "1.22.0" "nghttp2"
 .SH NAME
 nghttpx \- HTTP/2 proxy
 .
@@ -1505,7 +1505,9 @@ Set mruby script file
 .INDENT 0.0
 .TP
 .B \-\-conf=<PATH>
-Load configuration from <PATH>.
+Load  configuration  from   <PATH>.   Please  note  that
+nghttpx always  tries to read the  default configuration
+file if \fI\%\-\-conf\fP is not given.
 .sp
 Default: \fB/etc/nghttpx/nghttpx.conf\fP
 .UNINDENT
diff --git a/doc/nghttpx.1.rst b/doc/nghttpx.1.rst
index 8dc9e0fb..3a228463 100644
--- a/doc/nghttpx.1.rst
+++ b/doc/nghttpx.1.rst
@@ -1377,7 +1377,9 @@ Misc
 
 .. option:: --conf=<PATH>
 
-    Load configuration from <PATH>.
+    Load  configuration  from   <PATH>.   Please  note  that
+    nghttpx always  tries to read the  default configuration
+    file if :option:`--conf` is not given.
 
     Default: ``/etc/nghttpx/nghttpx.conf``