diff --git a/doc/xschem_man/developer_info.html b/doc/xschem_man/developer_info.html
index 70cb522c..63b09c36 100644
--- a/doc/xschem_man/developer_info.html
+++ b/doc/xschem_man/developer_info.html
@@ -543,6 +543,8 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"
 
 
 
+
+
 
 
 
@@ -1045,15 +1047,15 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"
    <li><kbd>       preview_window create|draw|destroy [winpath] [file]</kbd></li><pre>
    Used in fileselector to show a schematic preview.</pre>
    <li><kbd>       print png|svg|ps|pdf|ps_full|pdf_full img_file [img_x img_y] [x1 y1 x2 y2]</kbd></li><pre>
-   If img_x and img_y are set to 0 (recommended for svg) 
+   If img_x and img_y are set to 0 (recommended for svg and ps/pdf) 
    they will be calculated by xschem automatically
    Export current schematic to image.
                             img x   y size    xschem area to export
       0     1    2    3         4   5             6    7   8   9
    xschem print png file.png  [400 300]       [ -300 -200 300 200 ]
    xschem print svg file.svg  [400 300]       [ -300 -200 300 200 ]
-   xschem print ps  file.ps
-   xschem print pdf file.pdf
+   xschem print ps  file.ps   [400 300]       [ -300 -200 300 200 ]
+   xschem print pdf file.pdf  [400 300]       [ -300 -200 300 200 ]
    xschem print ps_full  file.ps
    xschem print pdf_full file.pdf</pre>
    <li><kbd>       print_hilight_net show</kbd></li><pre>
@@ -1463,6 +1465,7 @@ C {verilog_timescale.sym} 1050 -100 0 0 {name=s1 timestep="1ns" precision="1ns"
 
 
 
+
 
 
  </ul>
diff --git a/src/scheduler.c b/src/scheduler.c
index f44f29e8..3145d415 100644
--- a/src/scheduler.c
+++ b/src/scheduler.c
@@ -3042,15 +3042,15 @@ int xschem(ClientData clientdata, Tcl_Interp *interp, int argc, const char * arg
 
 
     /* print png|svg|ps|pdf|ps_full|pdf_full img_file [img_x img_y] [x1 y1 x2 y2]
-     *   If img_x and img_y are set to 0 (recommended for svg) 
+     *   If img_x and img_y are set to 0 (recommended for svg and ps/pdf) 
      *   they will be calculated by xschem automatically
      *   Export current schematic to image.
      *                            img x   y size    xschem area to export
      *      0     1    2    3         4   5             6    7   8   9
      *   xschem print png file.png  [400 300]       [ -300 -200 300 200 ]
      *   xschem print svg file.svg  [400 300]       [ -300 -200 300 200 ]
-     *   xschem print ps  file.ps
-     *   xschem print pdf file.pdf
+     *   xschem print ps  file.ps   [400 300]       [ -300 -200 300 200 ]
+     *   xschem print pdf file.pdf  [400 300]       [ -300 -200 300 200 ]
      *   xschem print ps_full  file.ps
      *   xschem print pdf_full file.pdf
      */