Update _overviews/overview/a-taste-of-scala.md

Co-authored-by: Julien Richard-Foy <[email protected]>

Author: alvinj

_overviews/overview/a-taste-of-scala.md

@@ -245,18 +245,13 @@ println(s"Name: $firstName $mi $lastName")   // "Name: John C Doe"
 
 Just precede the string with the letter `s`, and then put a `$` symbol before your variable names inside the string.
 
-To enclose class fields, class methods, or equations inside a string, enclose them in curly braces:
+To enclose expressions inside a string, enclose them in curly braces:
 
-```scala
-class Person(var name: String)
-val p = Person("Margaret Hamilton")
-
-// a class field or method
-println(s"Name: ${p.name}")   // "Name: Margaret Hamilton"
-
-// an equation
+~~~ scala
 println(s"2 + 2 = ${2 + 2}")   // prints "2 + 2 = 4"
-```
+val x = -1
+println(s"x.abs = ${x.abs}")   // prints "x.abs = 1"
+~~~
 
 #### Other interpolators
 
@@ -1326,4 +1321,3 @@ Scala has even more features that weren’t covered in this whirlwind tour. See
 
 
 
-