diff --git a/docs/migration.md b/docs/migration.md
index 44cd466b3d..77fa5df682 100644
--- a/docs/migration.md
+++ b/docs/migration.md
@@ -129,8 +129,15 @@ If a scrape target is not providing the correct Content-Type header the
 fallback protocol can be specified using the `fallback_scrape_protocol`
 parameter. See [Prometheus scrape_config documentation.](https://prometheus.io/docs/prometheus/latest/configuration/configuration/#scrape_config)
 
-This is a breaking change as scrapes that may have succeeded with Prometheus v2
-may now fail if this fallback protocol is not specified.
+This is a **breaking change** as scrapes that may have succeeded with Prometheus v2
+may now fail if this fallback protocol is not specified. Make sure your scrape 
+endpoints respond with one of the supported Content-type headers:
+
+- `application/vnd.google.protobuf;proto=io.prometheus.client.MetricFamily;encoding=delimited`
+- `text/plain;version=0.0.4`
+- `text/plain;version=1.0.0`
+- `application/openmetrics-text;version=0.0.1`
+- `application/openmetrics-text;version=1.0.0`
 
 ## Miscellaneous