update index.md with OPAM install

vanilla-extracts · Mar 24, 2022 · fa64423 · fa64423
1 parent 96db891
commit fa64423
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diff --git a/docs/index.md b/docs/index.md
@@ -34,6 +34,14 @@ A full usage breakdown is available [here](usage.md)
 
 
 ## Install
+
+### OPAM
+You can install the version **v3.3.1** with opam 
+```shell
+opam install htmlfromtexbooks
+```
+it installs the executable under `htmlfromtexbooks` and the library under `htmlfromtexbooks.lib`
+
 ### Downloading last stable from release
 The **Automatic Script** install is available here, just type this command and the `htmlfromtexbooks` is installed under `~/.local/bin`
 ```shell