diff --git a/docs/exporter/prometheus/prometheus.rst b/docs/exporter/prometheus/prometheus.rst
index 27584da490..ca024f277a 100644
--- a/docs/exporter/prometheus/prometheus.rst
+++ b/docs/exporter/prometheus/prometheus.rst
@@ -47,6 +47,11 @@ The following environment variables are supported:
 * ``OTEL_EXPORTER_PROMETHEUS_HOST`` (default: "localhost"): The host to bind to
 * ``OTEL_EXPORTER_PROMETHEUS_PORT`` (default: 9464): The port to bind to
 
+Limitations
+-----------------
+
+* No multiprocessing support: The Prometheus exporter is not designed to operate in multiprocessing environments (see `#3747 <https://github.com/open-telemetry/opentelemetry-python/issues/3747>`_).
+
 References
 ----------
 
diff --git a/exporter/opentelemetry-exporter-prometheus/README.rst b/exporter/opentelemetry-exporter-prometheus/README.rst
index a3eb920000..0b4de16532 100644
--- a/exporter/opentelemetry-exporter-prometheus/README.rst
+++ b/exporter/opentelemetry-exporter-prometheus/README.rst
@@ -15,6 +15,11 @@ Installation
 
      pip install opentelemetry-exporter-prometheus
 
+Limitations
+-----------------
+
+* No multiprocessing support: The Prometheus exporter is not designed to operate in multiprocessing environments (see `#3747 <https://github.com/open-telemetry/opentelemetry-python/issues/3747>`_).
+
 References
 ----------