Update documentation.md

Author: mkutmon

documentation.md

@@ -1,31 +1,29 @@
 # Documentation
 
-## PathVisio Book
+## GPML - Graphical Pathway Markup Language
 <p align="left">
   <table border="0">
     <tr>
-    <td>For information on using PathVisio, see the <a href="https://pathvisio.org/pathvisio-book/">PathVisio Book</a>!  PathVisio Book is the user manual for PathVisio.</td>
-      <td><img width="120" src="images/logos/pathvisio-book-logo.png"  alt="https://www.google.com"></td>
+    <td>GPML (Graphical Pathway Markup Language) is the file format used to store pathway models in PathVisio and share them on WikiPathways. <br><br>You can find more information about the GPML file format <a href="https://pathvisio.github.io/documentation/GPML">here</a>.</td>
     </tr>
   </table>
 </p>
 
-## GPML - Graphical Pathway Markup Language
+## libGPML - Java API Library for GPML
 <p align="left">
   <table border="0">
     <tr>
-    <td>GPML (Graphical Pathway Markup Language) is the file format used to store pathway models in PathVisio and share them on WikiPathways. <br><br>You can find more information about the GPML file format <a href="https://pathvisio.github.io/documentation/GPML">here</a>.</td>
+    <td>libGPML is a Java API library for reading, writing, and manipulating the GPML file format. <br><br>You can find more information about libGPML <a href="https://pathvisio.github.io/documentation/libGPML">here</a>.</td>
     </tr>
   </table>
 </p>
 
-## libGPML - Java API Library for GPML
+## PathVisio Book (under development - only for PathVisio 4 - not yet released!)
 <p align="left">
   <table border="0">
     <tr>
-    <td>libGPML is a Java API library for reading, writing, and manipulating the GPML file format. <br><br>You can find more information about libGPML <a href="https://pathvisio.github.io/documentation/libGPML">here</a>.</td>
+    <td>For information on using PathVisio, see the <a href="https://pathvisio.org/pathvisio-book/">PathVisio Book</a>!  PathVisio Book is the user manual for PathVisio.</td>
+      <td><img width="120" src="images/logos/pathvisio-book-logo.png"  alt="https://www.google.com"></td>
     </tr>
   </table>
 </p>
-
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