update README

README.md

@@ -17,13 +17,20 @@ $ METHA_DIR=/tmp/harvest metha-sync -dir http://export.arxiv.org/oai2
 /tmp/harvest/I29haV9kYyNodHRwOi8vZXhwb3J0LmFyeGl2Lm9yZy9vYWky
 ```
 
-Harvesting can be CTRL-C'd any time. The data is harvested up to the last full
-day, so there is a small latency. The HTTP client is resilient.
+To show the harvesting directory, you can use the `-dir` flag:
+
+```
+$ metha-sync -dir http://export.arxiv.org/oai2
+/home/miku/.metha/I29haV9kYyNodHRwOi8vZXhwb3J0LmFyeGl2Lm9yZy9vYWky
+```
+
+Harvesting can be interrupted any time. The data is currently harvested up to
+the last full day, so there is a small latency.
 
 Example: If the current date would be *Thu Apr 21 14:28:10 CEST 2016*, the harvester
 would request all data since the repositories earliest date and *2016-04-20 23:59:59*.
 
-You can stream records to stdout, too.
+The HTTP client is resilient. You can stream records to stdout:
 
 ```sh
 $ metha-cat http://export.arxiv.org/oai2
@@ -37,7 +44,8 @@ $ metha-cat -from 2016-01-01 http://export.arxiv.org/oai2
 
 This will only stream records with a datestamp equal or after 2016-01-01.
 
-To just stream all data really fast, use find and zcat on the harvesting dir.
+To just stream all data really fast, use `find` and `zcat` over the harvesting
+directory.
 
 ```sh
 $ find $(metha-sync -dir http://export.arxiv.org/oai2) -name "*gz" | xargs unpigz -c