diff --git a/Exports-Files.md b/Exports-Files.md
index adccd65..5a61708 100644
--- a/Exports-Files.md
+++ b/Exports-Files.md
@@ -1,4 +1,6 @@
-Alongside js files, the *src* dir includes "exports files" (e.g. `src/ol/map.exports`). An export file declares symbols and properties that are to be exported when creating builds of the library. For example the `src/ol/map.exports` file includes this:
+Alongside js files, the *src* dir includes "exports files" (e.g. `src/ol/map.exports`). The export files declare symbols and properties that the library exports. (See the [Closure Compiler docs](https://developers.google.com/closure/compiler/docs/api-tutorial3?hl=fr#export) to know more about _exporting_.)
+
+For example the `src/ol/map.exports` file includes this:
 
 ```
 @exportClass ol.Map ol.MapOptions