fixup! slapos-testing: minimal documentation

software/slapos-testing/README.md

 # Slapos egg tests
 
-This software release is used to test eggs.
+This software release is used to run unit test of slapos eggs.
 
 The approach is to use setuptools' integrated test runner, `python setup.py
 test`, to run tests. The `python` used in this command will be a
 `zc.recipe.egg` interpreter with all eggs pre-installed by this software
 release.
 
-Nexedi staff can see the result of this test from the test suite
+Nexedi staff can see the results of this test from the test suite
 `SLAPOS-EGG-TEST` in test result module.
 
 
@@ -23,7 +23,7 @@ slapos node instance
 ```
 
 Here's an example session of how a developer could use this software release to
-develop a slapos egg, in the ecample `slapos.core` to make changes to the code,
+develop a slapos egg, in the example `slapos.core`, to make changes to the code,
 run tests and publish changes.
 
 ```bash