More improvements to operator docs (#10220)

lib/elixir/lib/kernel.ex

@@ -133,7 +133,7 @@ defmodule Kernel do
     * [Library Guidelines](library-guidelines.md) - general guidelines, anti-patterns,
       and rules for those writing libraries
     * [Naming Conventions](naming-conventions.md) - naming conventions for Elixir code
-    * [Operators](operators.md) - lists all Elixir operators and their precedence
+    * [Operators](operators.md) - lists all Elixir operators and their precedences
     * [Patterns and Guards](patterns-and-guards.md) - an introduction to patterns,
       guards, and extensions
     * [Syntax Reference](syntax-reference.md) - the language syntax reference
@@ -3398,7 +3398,7 @@ defmodule Kernel do
   end
 
   @doc """
-  Returns a range with the specified `first` and `last` integers.
+  Range creation operator. Returns a range with the specified `first` and `last` integers.
 
   If last is larger than first, the range will be increasing from
   first to last. If first is larger than last, the range will be

lib/elixir/pages/operators.md

@@ -40,7 +40,7 @@ Elixir provides the following built-in operators that are defined as functions t
   * [`or`](`or/2`) and [`||`](`||/2`) - strict and relaxed boolean "or"
   * [`not`](`not/1`) and [`!`](`!/1`) - strict and relaxed boolean "not"
   * [`in`](`in/2`) and [`not in`](`in/2`) - membership
-  * [`@`](`@/1`) - module attribute definition and access
+  * [`@`](`@/1`) - module attribute
   * [`..`](`../2`) - range creation
   * [`<>`](`<>/2`) - binary concatenation
   * [`|>`](`|>/2`) - pipeline
@@ -55,7 +55,7 @@ Some other operators are special forms and cannot be overridden:
 
   * [`^`](`^/1`) - pin operator
   * [`.`](`./2`) - dot operator
-  * [`=`](`=/2`) - match operatpr
+  * [`=`](`=/2`) - match operator
   * [`&`](`&/1`) - capture operator
   * [`::`](`Kernel.SpecialForms.::/2`) - type operator