diff --git a/README.md b/README.md
index acd724a..991b4ab 100644
--- a/README.md
+++ b/README.md
@@ -55,3 +55,14 @@ Migas is built with [FastAPI](https://fastapi.tiangolo.com/), [Strawberry](https
 | redis | MIGAS_REDIS_URI | n/a | Yes
 | postgres | DATABASE_URL | n/a | Yes
 | sqlalchemy | MIGAS_DEBUG | n/a | No
+
+
+### Runtime Knobs
+
+Migas includes the following environmental variables to allow finer control when processing requests:
+
+| Environmental Variable | Description | Default |
+| ---- | ---- | ---- |
+| MIGAS_REQUEST_WINDOW | A sliding window for limiting number of queries (in seconds) | 60 |
+| MIGAS_REQUESTS_PER_WINDOW | Maximum number of requests per `MIGAS_REQUEST_WINDOW` | 5 |
+| MIGAS_MAX_REQUEST_SIZE | Maximum size of request body | 450 |
diff --git a/migas_server/schema.py b/migas_server/schema.py
index db9073f..22b2e77 100644
--- a/migas_server/schema.py
+++ b/migas_server/schema.py
@@ -119,7 +119,7 @@ class Watchdog(Extension):
     """
 
     REQUEST_WINDOW = int(os.getenv("MIGAS_REQUEST_WINDOW", 60))
-    MAX_REQUESTS_PER_WINDOW = int(os.getenv("MIGAS_REQUESTS_PER_WINDOW", 5))
+    MAX_REQUESTS_PER_WINDOW = int(os.getenv("MIGAS_MAX_REQUESTS_PER_WINDOW", 5))
     MAX_REQUEST_SIZE = int(os.getenv("MIGAS_MAX_REQUEST_SIZE", 450))
 
     async def on_request_start(self):