Cleanup README and a reference to License

diff --git a/tests/topotests/README.md b/tests/topotests/README.md
index 75807c1cee66adb0ccb66a3377f05bbdcdf20c1b..f9c90792665516d01f6b14b941e9c0f28c142d0d 100644 (file)
--- a/tests/topotests/README.md
+++ b/tests/topotests/README.md
@@ -3,7 +3,8 @@
 ## Installation of Mininet for running tests
 Only tested with Ubuntu 16.04
 
-Instructions are the same for all setups (ie ExaBGP is only used for BGP tests)
+Instructions are the same for all setups (ie ExaBGP is only used for BGP 
+tests)
 
 ### Installing Mininet Infrastructure:
 
@@ -15,7 +16,8 @@ Instructions are the same for all setups (ie ExaBGP is only used for BGP tests)
 6. useradd -d /var/run/exabgp/ -s /bin/false exabgp
 
 ### Quagga Installation
-Quagga needs to be installed separatly. It is assume to be configured like the standard Ubuntu Packages:
+Quagga needs to be installed separatly. It is assume to be configured 
+like the standard Ubuntu Packages:
 
 - Binaries in /usr/lib/quagga
 - Running under user quagga, group quagga
@@ -31,3 +33,12 @@ Go to test directory and execute python script.
 Test will run all on it's own and return non-zero exit code if it fails.
 
 For the simulated topology, see the description in the python file
+
+If you need to clear the mininet setup between tests (if it isn't cleanly
+shutdown), then use the `mn -c` command to clean up the environment
+
+## License
+
+All the configs and scripts are licensed under a ISC-style license. See
+Python scripts for details.
+