diff --git a/processor/resourcedetectionprocessor/README.md b/processor/resourcedetectionprocessor/README.md
index 740fa103f5c4..66c6e6773852 100644
--- a/processor/resourcedetectionprocessor/README.md
+++ b/processor/resourcedetectionprocessor/README.md
@@ -52,7 +52,7 @@ to read resource information from the [GCE metadata server](https://cloud.google
 ## Configuration
 
 ```yaml
-# a list of resource detectors to run, valid options are: "env", "gce", "ec2"
+# a list of resource detectors to run, valid options are: "env", "gce", "ec2", "ecs"
 detectors: [ <string> ]
 # determines if existing resource attributes should be overridden or preserved, defaults to true
 override: <bool>
diff --git a/processor/resourcedetectionprocessor/testdata/config.yaml b/processor/resourcedetectionprocessor/testdata/config.yaml
index 84a11af8d22c..b30ec235c825 100644
--- a/processor/resourcedetectionprocessor/testdata/config.yaml
+++ b/processor/resourcedetectionprocessor/testdata/config.yaml
@@ -11,6 +11,10 @@ processors:
     detectors: [env, ec2]
     timeout: 2s
     override: false
+  resourcedetection/ecs:
+    detectors: [env, ecs]
+    timeout: 2s
+    override: false
 
 exporters:
   exampleexporter:
@@ -20,7 +24,8 @@ service:
     metrics:
       receivers: [examplereceiver]
       processors:
-      # Choose one depending on your cloud provider:
+      # Choose one depending on your cloud provider and environment:
       # - resourcedetection/gce
       # - resourcedetection/ec2
+      # - resourcedetection/ecs
       exporters: [exampleexporter]