diff --git a/README.md b/README.md
index b5fa8da6..6f55bc85 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,8 @@ Target systems:
       * Artix-7 FPGA (85K pogrammable logic cells)
    * Datasheet at https://eive-cloud.irs.uni-stuttgart.de/index.php/apps/files/?dir=/EIVE_IRS/Arbeitsdaten/08_Used%20Components/Q7S&fileid=340648
    * Also a lot of information about the Q7S can be found on
-     the [Xiphos Traq Platform](https://trac2.xiphos.ca/eive-q7).
+     the [Xiphos Traq Platform](https://trac2.xiphos.ca/eive-q7). Press on index to find all
+     relevant pages.
    * Linux OS built with Yocto 2.5
    * Linux Kernel https://github.com/XiphosSystemsCorp/linux-xlnx.git . EIVE version can be found
      [here](https://egit.irs.uni-stuttgart.de/eive/q7s-linux-xlnx) . Pre-compiled files can be
@@ -39,10 +40,13 @@ The CMake build system can be used to generate build systems as well (see helper
 ## Installing Vivado the the Xilinx development tools
 
 It's also possible to perform debugging with a normal Eclipse installation by installing 
-the TCF plugin and downloading the cross-compiler as specified in the section below.
+the TCF plugin and downloading the cross-compiler as specified in the section below. However,
+if you want to generate the `*.xdi` files necessary to update the firmware, you need to
+installed Vivado with the SDK core tools.
 
 * Install Vivado 2018.2 and Xilinx SDK from https://www.xilinx.com/support/download/index.html/content/xilinx/en/downloadNav/vivado-design-tools/archive.html.
-  Install the Vivado Design Suite - HLx Editions - 2018.2  Full Product Installation instead of the updates. It is recommended to use the installer.
+  Install the Vivado Design Suite - HLx Editions - 2018.2  Full Product Installation instead of
+  the updates. It is recommended to use the installer.
   
 * Install settings. In the Devices selection, it is sufficient to pick SoC &rarr; Zynq-7000: <br>