reword the end of the chapter on numbers

Author: forax

chapter04-numbers.jsh

@@ -105,10 +105,10 @@ System.out.println(Double.isNaN(Double.NaN));
 
 
 // ### Record and NaN
-// To avoid the issue of _x not equals to x_ to propagate to a whole record,
-// the implementation of `equals()` for a record checks the raw bytes of the double after
-// all NaN (yes internally there are several possible representation of NaN) being
-// collapsed into one so testing if two records are equals works as expected !
+// To avoid the issue of a record r not equals to itself because it has a component
+// that contains NaN the implementation of `equals()` for a record checks
+// the raw bytes of the double after all NaN (yes internally there are several possible
+// representation of NaN) are collapsed into one so testing if two records are equals works as expected !
 record MagicBeer(double content) { }
 var beer1 = new MagicBeer(Double.NaN);
 var beer2 = new MagicBeer(Double.NaN);

guide/chapter04-numbers.md

@@ -135,10 +135,10 @@ System.out.println(Double.isNaN(Double.NaN));
 
 
 ### Record and NaN
-To avoid the issue of _x not equals to x_ to propagate to a whole record,
-the implementation of `equals()` for a record checks the raw bytes of the double after
-all NaN (yes internally there are several possible representation of NaN) being
-collapsed into one so testing if two records are equals works as expected !
+To avoid the issue of a record r not equals to itself because it has a component
+that contains NaN the implementation of `equals()` for a record checks
+the raw bytes of the double after all NaN (yes internally there are several possible
+representation of NaN) are collapsed into one so testing if two records are equals works as expected !
 ```java
 record MagicBeer(double content) { }
 var beer1 = new MagicBeer(Double.NaN);

jupyter/chapter04-numbers.ipynb

@@ -270,7 +270,7 @@
 {
   "cell_type": "markdown",
   "metadata": {},
-  "source": ["### Record and NaN\n", "To avoid the issue of _x not equals to x_ to propagate to a whole record,\n", "the implementation of `equals()` for a record checks the raw bytes of the double after\n", "all NaN (yes internally there are several possible representation of NaN) being\n", "collapsed into one so testing if two records are equals works as expected !\n"]
+  "source": ["### Record and NaN\n", "To avoid the issue of a record r not equals to itself because it has a component\n", "that contains NaN the implementation of `equals()` for a record checks\n", "the raw bytes of the double after all NaN (yes internally there are several possible\n", "representation of NaN) are collapsed into one so testing if two records are equals works as expected !\n"]
 }
 ,
 {