diff --git a/doc/erko_howto_tools.txt b/doc/erko_howto_tools.txt
index 188d3db4b11f7f2a8d4624e045e4a6a3be4976d8..e0f686325f50276cecd6b064bb34e136af15dd43 100755
--- a/doc/erko_howto_tools.txt
+++ b/doc/erko_howto_tools.txt
@@ -34,7 +34,7 @@
 * DTS-lab unb2c
 * Flake8, black
 * MATLAB
-
+* LOFAR2 access
 
 
 
@@ -1735,7 +1735,7 @@ export PATH=~/.local/bin:$PATH
 
 Can't reload '/usr/loca​l/MATLAB/R​2018a/bin/​glnxa64/libmwcoder_types.so'
 
-FIx:
+Fix:
 
 > ll /usr/local/MATLAB/R2018a/bin/glnxa64/
 > sudo mkdir /usr/local/MATLAB/R2018a/bin/glnxa64/exclude
@@ -1743,3 +1743,10 @@ FIx:
 > sudo mv libmwcoder_types.so exclude/
 
 restart matlab
+
+
+*******************************************************************************
+* LOFAR2 access
+*******************************************************************************
+
+http://cs032c.control.lofar/jupyter/lab/tree/notebooks/sdptr/test/notebooks/read_firmware_version_example.ipynb