diff --git a/README.adoc b/README.adoc
@@ -6,10 +6,7 @@ Track conronavirus cases from command line. 😷️
This function uses https://corona-stats.online/[corona-stats.online],
https://stedolan.github.io/jq/[`jq(1)`] and
https://csvkit.readthedocs.io/en/1.0.5/scripts/csvlook.html[`csvlook(1)`] to
-print corona-virus statistics. If the `country` argument is ommited the host's
-IP adress is used to show information about his country (using
-https://ipinfo.io/[ipinfo.io]). If `country` is set to `all` then the function
-shows information about all avaiable countries.
+print corona-virus statistics.
----
$ corona Japan
@@ -19,3 +16,23 @@ $ corona Japan
| 🌐️ World | 17,894,258 | 141,550 | 685,643 | 3,250 |
----
+== Usage
+
+----
+$ corona [COUNTRY]
+----
+
+If the `country` argument is ommited the host's IP adress is used to show
+information about his country (using https://ipinfo.io/[ipinfo.io]). If
+`country` is set to `all` then the function shows information about all
+avaiable countries.
+
+== Installation
+
+`fish-corona` can be installed with
+https://github.com/jorgebucaran/fisher[`fisher`]:
+
+---
+$ fisher add GarkGarcia/fish-corona
+---
+