fixing 2 links

docs/appendix-a-index.txt

@@ -745,7 +745,7 @@ value in a list is **[True](#True)**, see also
 **[one](#one)**
 
 <a id="caret-upto"/>
-**\^** &mdash; upto operator, `^$limit expands to 0 ..\^ +$limit range`
+**\^** &mdash; upto operator, `^$limit` expands to `0 ..\^ +$limit` range
 
 <a id="caret-range"/>
 **\^**
@@ -2370,7 +2370,7 @@ a point on the continuous atomic timeline
 **Int**
 *[«immutable type»](appendix-b-grouped.html#immutable-types)* &mdash;
 Perl integer, objext type to hold whole number like &mdash;1, 2 or
-6000, allows **[Inf](#inf)** / NaN, arbitrary precision,
+6000, allows **[Inf](#Inf)** / NaN, arbitrary precision,
 use it as method to convert into a **Int** like the Perl 5 "int"
 
 **invert**
@@ -3375,19 +3375,20 @@ return (CR), as in Perl 5
 **R**<span class="you-provide">op</span>
 *[«meta op»](appendix-b-grouped.html#metaoperators)* &mdash;
 reverse operands &mdash;
-example: *4 R- 3 \# result is -1 = 3 - 4 *
+example: `4 R- 3` result is `-1 = 3 - 4`
 
 <a id="rand"/>
 **rand** &mdash;
 pseudo random number in [range](#range-op)
 *0 ..\^ 1* (including 0, but not 1); for random list choices see
 **[pick](#pick)** and **[roll](#roll)**
 
-<a id="Range"/>
+<a id="Range-type"/>
 **Range**
 *[«immutable type»](appendix-b-grouped.html#immutable-types)* &mdash;
-a pair of ordered endpoints, result of an evaluated term with
-the [range operator](#range-op)
+a *[Pair](#Pair-type)* of ordered endpoints, result of an evaluated term with
+2 values and the [range operator](#range-op) in between `1 .. 10`, caret (^)
+exludes a limit `1 ..^ 10` or can be used as *[upto-operator](#caret-upto")*
 
 <a id="RangeIter-type"/>
 **RangeIter**