diff --git a/src/main/asciidoc/projections-excerpts.adoc b/src/main/asciidoc/projections-excerpts.adoc
index bfa5eb13d..9cc62f14b 100644
--- a/src/main/asciidoc/projections-excerpts.adoc
+++ b/src/main/asciidoc/projections-excerpts.adoc
@@ -133,6 +133,13 @@ It's possible to have multiple projections.
 
 NOTE: Visit <<spring-data-examples.projections>> to see an example project you can experiment with.
 
+How does Spring Data REST finds projection defintions?
+
+* Any `@Projection` interface found in the same package as your entity definitions (or one of it's sub-packages) is registered.
+* You can manually register via `RepositoryRestConfiguration.projectionConfiguration().addProjection(…)`.
+
+In either situtation, the interface with your projection MUST have the `@Projection` annotation.
+
 [[projections-excerpts.finding-projections]]
 === Finding existing projections