fix spell error

Signed-off-by: Nitish Bharambe <[email protected]>

Author: nitbharambe

docs/examples/arrow_example.ipynb

@@ -177,9 +177,9 @@
     "    return pa.schema(schemas)\n",
     "\n",
     "\n",
-    "print(\"-------node scehma-------\")\n",
+    "print(\"-------node schema-------\")\n",
     "print(pgm_schema(DatasetType.input, ComponentType.node))\n",
-    "print(\"-------asym load scehma-------\")\n",
+    "print(\"-------asym load schema-------\")\n",
     "print(pgm_schema(DatasetType.input, ComponentType.asym_load))"
    ]
   },