1 files changed, 12 insertions, 11 deletions

diff --git a/doc/book-enea-edge-getting-started/doc/grafana.xml b/doc/book-enea-edge-getting-started/doc/grafana.xml
index 807c2ac..4593e68 100644
--- a/doc/book-enea-edge-getting-started/doc/grafana.xml
+++ b/doc/book-enea-edge-getting-started/doc/grafana.xml
@@ -2,16 +2,17 @@
 <chapter id="grafana">
   <title>Using Grafana and InfluxDB</title>
 
-  <para><ulink url="https://docs.influxdata.com/influxdb/">InfluxDB</ulink> is 
-    essentially a time series database process that runs on a server, while 
-    <ulink url="https://grafana.com/docs/grafana">Grafana</ulink> is a 
-    visualization tool for time series data. Grafana is a very lightweight 
-    server-side application, and most of the data monitoring runs in a browser.</para>
-  
-  <para>For details on version information for these two components, please refer to the 
-  <ns:include href="../../s_docbuild/olinkdb/pardoc-common.xml"
-        xmlns:ns="http://www.w3.org/2001/XInclude"
-        xpointer="element(book_enea_edge_telemetry_open_source/1)" />.</para>
+  <para><ulink url="https://docs.influxdata.com/influxdb/">InfluxDB</ulink> is
+  essentially a time series database process that runs on a server, while
+  <ulink url="https://grafana.com/docs/grafana">Grafana</ulink> is a
+  visualization tool for time series data. Grafana is a very lightweight
+  server-side application, and most of the data monitoring runs in a
+  browser.</para>
+
+  <para>For details on version information for these two components, please
+  refer to the <ns:include href="../../s_docbuild/olinkdb/pardoc-common.xml"
+  xmlns:ns="http://www.w3.org/2001/XInclude"
+  xpointer="element(book_enea_edge_telemetry_open_source/1)" />.</para>
 
   <section id="telemetry_deployment">
     <title>Deploying Grafana and InfluxDB</title>
@@ -170,7 +171,7 @@
       <listitem>
         <para>For InfluxDB, run the following command:</para>
 
-        <programlisting>firewall-cmd --permanent --add-port=25826/tcp</programlisting>
+        <programlisting>firewall-cmd --permanent --add-port=25826/udp</programlisting>
       </listitem>
 
       <listitem>