[MINOR][DOCS][STREAMING] Minor docfix schema of csv rather than parquet in comments

## What changes were proposed in this pull request?

Fix parquet to csv in a comment to match the input format being read.

## How was this patch tested?
N/A (doc change only)

Author: Holden Karau <holden@us.ibm.com>

Closes #14274 from holdenk/minor-docfix-schema-of-csv-rather-than-parquet.

1 files changed, 2 insertions, 2 deletions

diff --git a/docs/structured-streaming-programming-guide.md b/docs/structured-streaming-programming-guide.md
index aac88171fe..8c14c3d220 100644
--- a/docs/structured-streaming-programming-guide.md
+++ b/docs/structured-streaming-programming-guide.md
@@ -449,7 +449,7 @@ val userSchema = new StructType().add("name", "string").add("age", "integer")
 val csvDF = spark
     .readStream
     .option("sep", ";")
-    .schema(userSchema)      // Specify schema of the parquet files
+    .schema(userSchema)      // Specify schema of the csv files
     .csv("/path/to/directory")    // Equivalent to format("csv").load("/path/to/directory")
 {% endhighlight %}
 
@@ -476,7 +476,7 @@ StructType userSchema = new StructType().add("name", "string").add("age", "integ
 Dataset[Row] csvDF = spark
     .readStream()
     .option("sep", ";")
-    .schema(userSchema)      // Specify schema of the parquet files
+    .schema(userSchema)      // Specify schema of the csv files
     .csv("/path/to/directory");    // Equivalent to format("csv").load("/path/to/directory")
 {% endhighlight %}