Update stamping.bzl
Fix formatting error with underscores
diff --git a/lib/stamping.bzl b/lib/stamping.bzl
index 523c0cb..b54977d 100644
--- a/lib/stamping.bzl
+++ b/lib/stamping.bzl
@@ -58,8 +58,9 @@
In your rule implementation, call the `maybe_stamp` function.
If it returns `None` then this build doesn't have stamping enabled.
Otherwise you can use the returned struct to access two files.
-The stable_status file contains the keys which were prefixed with `STABLE_`, see above.
-The volatile_status file contains the rest of the keys.
+
+1. The `stable_status` file contains the keys which were prefixed with `STABLE_`, see above.
+2. The `volatile_status` file contains the rest of the keys.
```starlark
def _rule_impl(ctx):
