Change date to data in INSTALL_parallel (#4384)

release_docs/INSTALL_parallel

@@ -202,7 +202,7 @@ Reference
 1. POSIX Compliant. A good explanation is by Donald Lewin,
     After a write() to a regular file has successfully returned, any
     successful read() from each byte position on the file that was modified
-    by that write() will return the date that was written by the write(). A
+    by that write() will return the data that was written by the write(). A
     subsequent write() to the same byte will overwrite the file data. If a
     read() of a file data can be proven by any means [e.g., MPI_Barrier()]
     to occur after a write() of that data, it must reflect that write(),