Add omitted opening tag ` and max length

Author: HyukjinKwon

sql/core/src/main/scala/org/apache/spark/sql/DataFrameReader.scala

@@ -402,9 +402,9 @@ class DataFrameReader private[sql](sparkSession: SparkSession) extends Logging {
    * the delimiter can be part of the value.</li>
    * <li>`escape` (default `\`): sets the single character used for escaping quotes inside
    * an already quoted value.</li>
-   * <li>`comment` (default empty string): sets the single character used for skipping lines beginning
-   * with this character. By default, it is disabled.</li>
-   * <li>header` (default `false`): uses the first line as names of columns.</li>
+   * <li>`comment` (default empty string): sets the single character used for skipping lines
+   * beginning with this character. By default, it is disabled.</li>
+   * <li>`header` (default `false`): uses the first line as names of columns.</li>
    * <li>`ignoreLeadingWhiteSpace` (default `false`): defines whether or not leading whitespaces
    * from values being read should be skipped.</li>
    * <li>`ignoreTrailingWhiteSpace` (default `fDataFraalse`): defines whether or not trailing

sql/core/src/main/scala/org/apache/spark/sql/DataFrameWriter.scala

@@ -614,7 +614,7 @@ final class DataFrameWriter private[sql](df: DataFrame) {
    * an already quoted value.</li>
    * <li>`header` (default `false`): writes the names of columns as the first line.</li>
    * <li>`nullValue` (default empty string): sets the string representation of a null value.</li>
-   * <li>compression` (default `null`): compression codec to use when saving to file. This can be
+   * <li>`compression` (default `null`): compression codec to use when saving to file. This can be
    * one of the known case-insensitive shorten names (`none`, `bzip2`, `gzip`, `lz4`,
    * `snappy` and `deflate`). </li>
    *