clearify commandline parameter usage

Komodoro · Feb 27, 2019 · bfde553 · bfde553
1 parent c0ec042
commit bfde553
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -60,7 +60,8 @@ elasticsearch_exporter --help
 | web.telemetry-path      | 1.0.2                 | Path under which to expose metrics. | /metrics |
 | version                 | 1.0.2                 | Show version info on stdout and exit. | |
 
-All commandline parameters can be provided as environment variables. The environment variable name is derived from the parameter name
+Commandline parameters start with a single `-` for versions less than `1.1.0rc1`. 
+For versions greater than `1.1.0rc1`, commandline parameters are specified with `--`. Also, all commandline parameters can be provided as environment variables. The environment variable name is derived from the parameter name
 by replacing `.` with `_` and upper-casing the parameter name.
 
 ### Metrics