Fix the typo in query filter

Author: revinjchalil

articles/cosmos-db/configure-custom-partitioning.md

@@ -115,7 +115,7 @@ val df = spark.read.
             option("spark.cosmos.asns.partition.keys", "readDate String").
             option("spark.cosmos.asns.basePath", "/mnt/CosmosDBPartitionedStore/").
             load()
-val df_filtered = df.filter("readDate='2020-11-27 00:00:00.000'")
+val df_filtered = df.filter("readDate='2020-11-01 00:00:00.000'")
 display(df_filtered.limit(10))
 ```
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