diff --git a/README.md b/README.md
index da5b6b0..7636c0c 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,10 @@
 ### Dependencies
 
 - GNU Radio v3.7.X
-
-- Software from your package manager. For Ubuntu systems, it's
+```
+sudo apt-get install gnuradio (3.7.9.1-2ubuntu1)
+```
+- Build dependencies (cmake, libboost, swig)
 ```
 sudo apt-get install cmake libboost-all-dev liblog4cpp5-dev swig
 ```
@@ -14,15 +16,21 @@ or
 sudo apt-get install python-bitstring
 ```
 
-ubuntu 16.04: sudo apt-get install gnuradio cmake (3.7.9.1-2ubuntu1)
-
-git://git.osmocom.org/rtl-sdr.git
-sudo apt-get install libusb-1.0-0-dev libusb-dev swig
-swig -> "python support" in osmocomsdr
+- Source Block for RTL-SDR  dongle
 http://osmocom.org/projects/sdr/wiki/rtl-sdr
-
-apt-get install gr-osmosdr
-
+```
+sudo apt-get install gr-osmosdr
+or build from source:
+sudo apt-get install libusb-1.0-0-dev libusb-dev
+git clone git://git.osmocom.org/rtl-sdr.git
+cd rtl-sdr/
+mkdir build
+cd build
+cmake ../
+make
+sudo make install
+sudo ldconfig
+```
 or you can use the [GNU Radio Live Image](https://wiki.gnuradio.org/index.php/GNU_Radio_Live_SDR_Environment)
 , which can be written to a USB drive with Unetbootin.
 It comes with all dependencies except the "bitstring" module, which can be installed with 
@@ -61,7 +69,7 @@ cmake -DCMAKE_INSTALL_PREFIX:PATH=/home/user/gnuradio-prefix ..
 now make should install the module to the specified folder, without needing root privileges
 
 ### TMC Location Lists
-to use the tmc_parser block you need to download the TMC location table for your country and put the .DAT files in a subfolder called "TMC" in the data folder
+to use the tmc_parser block you need to download the TMC location table for your country and put the .DAT files in a subfolder called "LCL" in the data folder
 links:
 [wikipedia info](https://en.wikipedia.org/wiki/Traffic_message_channel#TMC_services_in_operation)
 finland  [download here](http://www.liikennevirasto.fi/web/en/open-data/materials/tmc-location-data)
@@ -72,14 +80,12 @@ italy: [download here](http://www.cciss.it/portale/cciss.portal?_nfpb=true&_wind
 
 ### Usage
 
-open apps/ifft-RDS-decoder_hier-block.grc flow graph in GNU Radio Companion.
+open the apps/ifft-RDS-decoder_hier-block.grc flow graph in GNU Radio Companion.
 Click "generate" to create the hierarchical decoder block.
 Click "reload" to load the generated block
-open apps/fft-multi-decoder.grc flow graph.
+open the apps/fft-multi-decoder.grc flow graph.
 set the work directory of the "RDS parser Table" block as the full path (~ shortcut doesnt work) of the data directory (with trailing slash)
-
-### Demos
-
+run the flowgraph
 
 ### History
 
diff --git a/data/LCL/README.md b/data/LCL/README.md
new file mode 100644
index 0000000..93edaf8
--- /dev/null
+++ b/data/LCL/README.md
@@ -0,0 +1 @@
+put TMC location table (.DAT files) in this directory