Update README

Signed-off-by: Paul-Elliot <peada@free.fr>
realworldocaml · Jan 29, 2024 · 91e79a1 · 91e79a1
1 parent eb97801
commit 91e79a1
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diff --git a/README.md b/README.md
@@ -159,6 +159,7 @@ The possible labels are:
 - `env=ENV` -- see the "Named execution environments" section
 - `set-VAR=VALUE` -- set an environment variable
 - `unset-VAR` -- unset an environment variable
+- `exec` -- execute this block. Only allowed when including an OCaml file.
 
 #### Shell Scripts
 
@@ -251,6 +252,8 @@ These can then be included in the document:
     ```ocaml
     ```
 
+Use the `exec` flag to execute as an OCaml block.
+
 Non-OCaml files can also be read and included in a block:
 
     <!-- $MDX file=any_file.txt -->