diff --git a/instrumentation/opentelemetry-instrumentation-tornado/README.rst b/instrumentation/opentelemetry-instrumentation-tornado/README.rst
index 5d428435c28..088c7f0e85d 100644
--- a/instrumentation/opentelemetry-instrumentation-tornado/README.rst
+++ b/instrumentation/opentelemetry-instrumentation-tornado/README.rst
@@ -40,7 +40,7 @@ For example,
 
 ::
 
-    export OTEL_PYTHON_TONADO_TRACED_REQUEST_ATTRS='uri,query'
+    export OTEL_PYTHON_TORNADO_TRACED_REQUEST_ATTRS='uri,query'
 
 will extract path_info and content_type attributes from every traced request and add them as span attributes.