Update index.md

Author: ws-garcia

docs/index.md

@@ -23,7 +23,7 @@ The most powerful and comprehensive CSV/[TSV](https://www.iana.org/assignments/m
 * __Automatic delimiter sniffer__. Don't worry if you forgot the file configuration. The interface has a solid strategy for sniff delimiters!
 * __Highly Configurable__. User can configure the parser to work with a wide range of CSV files.
 * __CSV data subsetting__. Split CSV data into a set of files with related data.
-* __Like SQL queries on CSV files__. Use complex patterns to mimic SQL queries and filter data by criteria (=, <>, >=, <=, & (AND), |(OR)).
+* __Like SQL queries on CSV files__. Use complex patterns to mimic SQL queries and filter data by criteria (=, <>, >=, <=, & (AND), \|(OR)).
 * __Flexible__. Import only certain range of records from the given file, import fields (columns) by indexes or names, read records in sequential mode. 
 * __Dynamic Typing support__. Turn CSV data field to a desired VBA data type.
 * __Multi-level data sorting__. Sort CSV imported data over multiple columns using the hyper-fast(100k records per second) [Yaroslavskiy Dual-Pivot Quicksort](https://web.archive.org/web/20151002230717/http://iaroslavski.narod.ru/quicksort/DualPivotQuicksort.pdf) like Java and also other methods like: IntroSort, HeapSort and Merge sort.