Keep the k command included

Author: vlesierse

1.0.0-beta2/README.md

@@ -29,7 +29,7 @@ The `nightly` image provides the following environment variables:
 * `DNX_USER_HOME`: path to DNX installation (e.g. /opt/dnx)
 * `DNX_FEED`: url to the DNX nightly feed (e.g. https://www.myget.org/F/aspnetvnext/api/v2)
 
-In addition to these, `PATH` is set to include the `dnx`/`kpm` executables.
+In addition to these, `PATH` is set to include the `dnx`/`k`/`kpm` executables.
 
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