Fix missing letter.

Author: mtdiedrich

sagemaker-core/inference_and_resource_chaining.ipynb renamed to sagemaker-core/inference_and_resource_chaining.ipynb

@@ -37,7 +37,7 @@
     "\n",
     "model = Model.create(...) # Create model object\n",
     "\n",
-    "endpoint_config = ndpointConfig.create(\n",
+    "endpoint_config = EndpointConfig.create(\n",
     "    endpoint_config_name=key,\n",
     "    production_variants=[\n",
     "        ProductionVariant(\n",