fix env var in makefile

Author: whummer

Makefile

@@ -16,7 +16,7 @@ debug-start: ## Start LocalStack with Lambda debug mode enabled (port 19891)
 	LOCALSTACK_APPINSPECTOR_ENABLE=1 LOCALSTACK_APPINSPECTOR_DEV_ENABLE=1 LOCALSTACK_APP_INSPECTOR=1 LOCALSTACK_APPINSPECTOR=1 \
 	  LOCALSTACK_LAMBDA_DEBUG_MODE=1 \
 	  DOCKER_FLAGS="-v $(PWD)/.localstack:/tmp/ls-debug" \
-	  LAMBDA_DEBUG_MODE_CONFIG_PATH=/tmp/ls-debug/lambda_debug_mode.yaml localstack start -d
+	  LOCALSTACK_LAMBDA_DEBUG_MODE_CONFIG_PATH=/tmp/ls-debug/lambda_debug_mode.yaml localstack start -d
 
 hot-reload: ## Switch order-handler to hot-reload mode (edits take effect immediately)
 	awslocal lambda update-function-code \