diff --git a/docs/topics/scrapyd.rst b/docs/topics/scrapyd.rst
index 0b2e84825..26259b898 100644
--- a/docs/topics/scrapyd.rst
+++ b/docs/topics/scrapyd.rst
@@ -21,7 +21,7 @@ A common (and useful) convention to use for the version name is the revision
 number of the version control tool you're using to track your Scrapy project
 code. For example: ``r23``. The versions are not compared alphabetically but
 using a smarter algorithm (the same `distutils`_ uses) so ``r10`` compares
-greater to ``r9``, for example. 
+greater to ``r9``, for example.
 
 How Scrapyd works
 =================
@@ -498,7 +498,7 @@ cancel.json
 
 .. versionadded:: 0.15
 
-Schedule a spider run (aka. job). If the job is pending, it will be removed. If
+Cancel a spider run (aka. job). If the job is pending, it will be removed. If
 the job is running, it will be terminated.
 
 * Supported Request Methods: ``POST``
@@ -515,11 +515,6 @@ Example response::
 
     {"status": "ok", "prevstate": "running"}
 
-Example request passing a spider argument (``arg1``) and a setting
-(:setting:`DOWNLOAD_DELAY`)::
-
-    $ curl http://localhost:6800/schedule.json -d project=myproject -d spider=somespider -d setting=DOWNLOAD_DELAY=2 -d arg1=val1
-
 listprojects.json
 -----------------
 
@@ -594,9 +589,14 @@ Example request::
 Example response::
 
     {"status": "ok",
-     "pending": ["26d1b1a6d6f111e0be5c001e648c57f8", "a0571c5b9493187adb5bd07ad0faf279a86251df"],
-     "running": ["422e608f9f28cef127b3d5ef93fe93992108bc5c"],
-     "finished": ["5c7fd9513b1796bcd9311dd0f59bcf8973c58859"]}
+     "pending": [{"id": "78391cc0fcaf11e1b0090800272a6d06", "spider": "spider1"}],
+     "running": [{"id": "422e608f9f28cef127b3d5ef93fe9399", "spider": "spider2"}],
+     "finished": [{"id": "2f16646cfcaf11e1b0090800272a6d06", "spider": "spider3", "start_time": "2012-09-12 10:14:03.594664", "end_time": "2012-09-12 10:24:03.594664"}]}
+
+Please note:
+
+* fields "start_time" and "end_time" for finished jobs were added after version 0.15.1
+* jobs data is stored in the memory so after the scrapyd service is restarted all information about pending, running and finished jobs is lost.
 
 delversion.json
 ---------------
diff --git a/scrapyd/webservice.py b/scrapyd/webservice.py
index 0757e7e20..3df47f1f1 100644
--- a/scrapyd/webservice.py
+++ b/scrapyd/webservice.py
@@ -96,7 +96,9 @@ class ListJobs(WsResource):
         running = [{"id": s.job, "spider": s.spider} for s in spiders if s.project == project]
         queue = self.root.poller.queues[project]
         pending = [{"id": x["_job"], "spider": x["name"]} for x in queue.list()]
-        finished = [{"id": s.job, "spider": s.spider} for s in self.root.launcher.finished
+        finished = [{"id": s.job, "spider": s.spider,
+            "start_time": s.start_time.isoformat(' '),
+            "end_time": s.end_time.isoformat(' ')} for s in self.root.launcher.finished
             if s.project == project]
         return {"status":"ok", "pending": pending, "running": running, "finished": finished}