diff --git a/README.md b/README.md
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@@ -9,21 +9,21 @@
 - [string_import.py](string_import.py) example to show import module from string
 - [classtools.py](classtools.py) assorted class utilities and tools
 - [formats.py](formats.py) various specialized string display formatting utilities.
-- [mydir.py](mydir.py) a module that lists the namespaces of other module
+- [mydir.py](mydir.py) a module that lists the namespaces of other modules
 - [mymap.py](mymap.py) different ways of implementing map
 - [myzip.py](myzip.py) different ways of implementing zip
 - [permute.py](permute.py) implemented permute
 - [reloadall.py](reloadall.py) transitively reload nested module
-- [scramble.py](scramble.py) a iterable scrambler
+- [scramble.py](scramble.py) an iterable scrambler
 - [streams.py](streams.py) give me reader, writer and a converter
-- [timer.py](timer.py) Homegrown timing tools for function calls.
-- [timer2.py](timer2.py) Homegrown timing tools for function calls.
-- [timer3.py](timer3.py) Homegrown timing tools for function calls.
+- [timer.py](timer.py) Homegrown timing tools for function calls (Part 1).
+- [timer2.py](timer2.py) Homegrown timing tools for function calls (Part 2).
+- [timer3.py](timer3.py) Homegrown timing tools for function calls (Part 3).
 - [classtree.py](classtree.py) Climb inheritance tree using namespace links, displaying higher superclasses with indentation for height
 - [listinstance.py](listinstance.py)  Mix-in class that provides a formatted print() or str()
 - [listinherited.py](listinherited.py) Mix-in class that provides a formatted print() or str() (Use dir() to collect both instance attr and names inherited from its classes)
 - [listinherited2.py](listinherited2.py) Same as listinherited.py, but more formatted
-- [listtree.py](listtree.py) Trace the entire class and all its object's attrs at and above self
+- [listtree.py](listtree.py) Trace the entire class and all its object's attributes at and above self
 - [mapattrs.py](mapattrs.py) Map all attributes on or inherited by an
 instance to the instance or class from which they are inherited.