Update README.md

README.md

 ## Install
 
 ```bash
-git clone
+git clone http://tesla.parallel.ru/vonopr/inmplot.git
+cd inmplot
+python -m pip install -e .
 
 ```
 
 
 # Usage
 
-### Create an image from .ctl file with command line
+### Create an image from ctl file with command line
 
 ```bash
-python -m plot_ctl --file=tests/data/mmsst.ctl --var=sst --tnum=0 --output=sst.png
+python -m plot_ctl --file=mmsst.ctl --var=sst --tnum=0 --output=sst.png
+```
 
+### Convert ctl to netcdf
+```bash
+python -m ctler mmsst.ctl mmsst.nc
 ```
+
+# Known issues
+
+  - Does not work with files containing only one time record
\ No newline at end of file