README update

README.rst

@@ -36,9 +36,9 @@ be used.
 Quick start
 -----------
 
-1. First write a grammar. There are several ways to do that:
+1. Write a grammar. There are several ways to do that:
 
-  a) The canonical grammar format uses Python statements and expressions. Each rule is specified as Python function which should return a data structure that defines the rule. For example a grammar for simple calculator can be written as::
+a) The canonical grammar format uses Python statements and expressions. Each rule is specified as Python function which should return a data structure that defines the rule. For example a grammar for simple calculator can be written as::
 
   from arpeggio import Optional, ZeroOrMore, OneOrMore, EOF
   from arpeggio import RegExMatch as _
@@ -53,7 +53,7 @@ Quick start
   The python lists in the data structure represent ordered choices while the tuples represent sequences from the PEG.
   For terminal matches use plain strings or regular expressions.
 
-  b) The same grammar could also be written using traditional textual PEG syntax like this::
+b) The same grammar could also be written using traditional textual PEG syntax like this::
 
   number <- r'\d*\.\d*|\d+';  // this is a comment
   factor <- ("+" / "-")?
@@ -62,7 +62,7 @@ Quick start
   expression <- term (("+" / "-") term)*;
   calc <- expression+ EOF;
 
-  c) Or similar syntax but a little bit more readable like this::
+c) Or similar syntax but a little bit more readable like this::
 
   number = r'\d*\.\d*|\d+'    # this is a comment
   factor = ("+" / "-")?
@@ -71,7 +71,7 @@ Quick start
   expression = term (("+" / "-") term)*
   calc = expression+ EOF
 
-  The second and third options are implemented using canonical first form. Feel free to implement your own grammar syntax if you don't like these (see modules :code:`arpeggio.peg` and :code:`arpeggio.cleanpeg`).
+The second and third options are implemented using canonical first form. Feel free to implement your own grammar syntax if you don't like these (see modules :code:`arpeggio.peg` and :code:`arpeggio.cleanpeg`).
 
 2. Instantiate a parser. Parser works as grammar interpreter. There is no code generation::