doc: update process.versions.modules documentation

This commit adds a description of `process.versions.modules`, based on the comment in `src/node_version.h` lines 47-50. PR-URL: #9901 Reviewed-By: James M Snell <[email protected]> Reviewed-By: Anna Henningsen <[email protected]>
nodejs · Jan 4, 2017 · 0c4cf24 · 0c4cf24
1 parent 501165f
commit 0c4cf24
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/doc/api/process.md b/doc/api/process.md
@@ -1651,7 +1651,9 @@ added: v0.2.0
 * {Object}
 
 The `process.versions` property returns an object listing the version strings of
-Node.js and its dependencies.
+Node.js and its dependencies. In addition, `process.versions.modules` indicates
+the current ABI version, which is increased whenever a C++ API changes. Node.js
+will refuse to load native modules built for an older `modules` value.
 
 ```js
 console.log(process.versions);