--- a/Framework/Inputs/OpenSlideLibrary.cpp	Thu Oct 27 17:25:57 2016 +0200
+++ b/Framework/Inputs/OpenSlideLibrary.cpp	Fri Oct 28 09:19:16 2016 +0200
@@ -211,7 +211,7 @@
   {
     if (globalLibrary_.get() == NULL)
     {
-      LOG(ERROR) << "OpenSlide has not been initialized";
+      LOG(ERROR) << "OpenSlide has not been initialized, use the \"--openslide\" command-line option";
       throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
     }
     else

--- a/README	Thu Oct 27 17:25:57 2016 +0200
+++ b/README	Fri Oct 28 09:19:16 2016 +0200
@@ -43,7 +43,7 @@
 * OpenLayers, a framework to put a dynamic map in any web page:
   https://openlayers.org/
 
-* OpenJpeg, an open-source JPEG 2000 codec:
+* OpenJPEG, an open-source JPEG 2000 codec:
   http://www.openjpeg.org/
 
 
@@ -57,7 +57,10 @@
 The two command-line tools can be found in folder "Applications".
 They come with an extensive "--help" option.
 
-The Web viewer plugin can be found in folder "ViewerPlugin".
+The Web viewer plugin can be found in folder "ViewerPlugin". It has no
+specific option, so you just have to make your "Plugins" configuration
+option of Orthanc point to the shared library containing the plugin:
+https://orthanc.chu.ulg.ac.be/book/users/configuration.html
 
 
 

--- a/TODO	Thu Oct 27 17:25:57 2016 +0200
+++ b/TODO	Fri Oct 28 09:19:16 2016 +0200
@@ -10,6 +10,13 @@
 * Display physical scale in Web viewer
 
 
+-----------
+Performance
+-----------
+
+* Larger cache with LRU recycling to improve viewer performance
+
+
 -------------
 Documentation
 -------------
@@ -24,10 +31,3 @@
 
 * DebianMed (ITP #842168: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=842168)
 * Provide precompiled Windows binaries
-
-
------------
-Performance
------------
-
-* Larger cache with LRU recycling to improve viewer performance