diff --git a/docs/index.html b/docs/index.html
index b8a2c12..f4a2274 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -55,6 +55,10 @@ This project is pure software that requires a transmitter and a receiver connect
 A second sound card or ISDN card is used to route calls from and to the mobile phone.
 </p>
 
+<p>
+Please go to project's hompage at <a href="http://osmocom-analog.eversberg.eu">http://osmocom-analog.eversberg.eu</a> to download source code.
+</p>
+
 <center>
 <ul>
 	<li><a href="setup.html">Analog Radio setup</a></li>
diff --git a/docs/radiocom2000.html b/docs/radiocom2000.html
index 32685bc..c6924d6 100644
--- a/docs/radiocom2000.html
+++ b/docs/radiocom2000.html
@@ -28,6 +28,12 @@ History
 How it works
 </p>
 
+<p>
+Please refer to
+<a href="standard_r2000_by_jolly.pdf">standard_r2000_by_jolly.pdf</a>
+for a description of the standard.
+</p>
+
 <p class="toppic">
 <a name="basestation"></a>
 Setup of a base station
diff --git a/docs/standard_r2000_by_jolly.pdf b/docs/standard_r2000_by_jolly.pdf
new file mode 100644
index 0000000..ffb6870
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