diff --git a/doc/Expr.adoc b/doc/Expr.adoc
index ff6a06b..25c9fae 100644
--- a/doc/Expr.adoc
+++ b/doc/Expr.adoc
@@ -141,7 +141,7 @@ Numbers can be integers (GO int64) or float (GO float64). In mixed operations in
 |=== 
 
 === Fractions
-_Expr_ also suports fractions. Fraction literals are made with tow integers separated by a vertical bar `|`.
+_Expr_ also supports fractions. Fraction literals are made with two integers separated by a vertical bar `|`.
 
 .Examples
 // [source,go]
@@ -149,7 +149,7 @@ _Expr_ also suports fractions. Fraction literals are made with tow integers sepa
 `>>>` [blue]`1 | 2` +
 [green]`1|2` +
 `>>>` [blue]`4|6` +
-[green]`2|3` [gray]_Fractions are always reduced to theri lowest terms_ +
+[green]`2|3` [gray]_Fractions are always reduced to their lowest terms_ +
 `>>>` [blue]`1|2 + 2|3` +
 [green]`7|6` +
 `>>>` [blue]`1|2 * 2|3` +
@@ -245,7 +245,7 @@ Currently, boolean operations are evaluated using _short cut evaluation_. This m
 <1> This multi-expression returns _1_ because in the first expression the left value of [blue]`or` is _true_ and as a conseguence its right value is not computed. Therefore the _a_ variable only receives the integer _1_.
 ====
 
-=== List
+=== Lists
 _Expr_ supports list of mixed-type values, also specified by normal expressions.
 
 .List examples
@@ -258,7 +258,6 @@ _Expr_ supports list of mixed-type values, also specified by normal expressions.
 [ [1,"one"], [2,"two"]]     // List of lists
 ----
 
-
 .List operators
 [cols="^2,^2,5,4"]
 |===
@@ -269,6 +268,34 @@ _Expr_ supports list of mixed-type values, also specified by normal expressions.
 | [blue]`-` | _Difference_ | Left list without elements in the right list  | [blue]`[1,2,3] - [2]` _[ [1,3] ]_
 |===
 
+The items of array can be accessed using the dot `.` operator.
+
+.Item access syntax
+[source,bnf]
+----
+<item> ::= <list-expr>"."<index-expr>
+----
+
+.Items of list
+[source,go]
+----
+`>>>` [blue]`[1,2,3].1`
+[green]`2`
+`>>>` [blue]`list=[1,2,3]; list.1`
+[green]`2`
+`>>>` [blue]`["one","two","three"].1`
+[green]`two`
+`>>>` [blue]`list=["one","two","three"]; list.(2-1)`
+[green]`two`
+`>>>` [blue]`list.(-1)`
+[green]`three`
+`>>>` [blue]`list.(-1)`
+[green]`three`
+`>>>` [blue]`list.(10)`
+----
+
+
+
 == Dictionaries
 The _dictionary_ data-type is set of pairs _key/value_. It is also known as _map_ or _associative array_. Dictionary literals are sequences of pairs separated by comma `,`; sequences are enclosed between brace brackets.