Reword incremental_checker's docstring (#1881)

ddfisher · gvanrossum · commit e0b5893600fd · 2016-07-19T13:58:08.000-07:00
diff --git a/misc/incremental_checker.py b/misc/incremental_checker.py
@@ -7,26 +7,26 @@
 It does so by first running mypy without incremental mode on the specified range
 of commits to find the expected result, then rewinds back to the first commit and
 re-runs mypy on the commits with incremental mode enabled to make sure it returns
-the exact same result despite the files continuously changing.
+the same results.
 
-This script will by default, download and test mypy's repo. So, doing:
+This script will download and test the offical mypy repo by default. Running:
 
     python3 misc/incremental_checker.py last 30
 
-...is equivalent to doing
+is equivalent to running
 
     python3 misc/incremental_checker.py last 30 \\
             --repo_url https://github.com/python/mypy.git \\
             --file-path mypy
 
-You can chose to run this script against a specific commit id, or against the
+You can chose to run this script against a specific commit id or against the
 last n commits.
 
-For example, to run this script against the last 30 commits, do:
+To run this script against the last 30 commits:
 
     python3 misc/incremental_checker.py last 30
 
-To run this script starting from the commit id 2a432b, do:
+To run this script starting from the commit id 2a432b:
 
     python3 misc/incremental_checker.py commit 2a432b
 """
