docs(camelToSnakeCase) : rewrite the description

Fix the output

subjects/cameltosnakecase/README.md

@@ -1,9 +1,19 @@
 ## Camel-to-snake-case 
 
 ### Instructions
+
 Write a function that converts a string from `camelCase` to `snake_case`.
 
-Lower camel case is the practice of writing phrases without spaces or punctuation, it indicates the separation of one word or more with a single capitalized letter between each word except the first one. Snake case is a style of writing in which each space is replaced by an underscore (_) character.
+For this exercise you need to know that camelCase has two different writing alternatives that will be accepted:
+
+- lowerCamelCase
+- UpperCamelCase
+
+Some rules for writing in camelCase:
+
+- The word does not end on a capitalized letter (CamelCasE).
+- No two capitalized letters shall follow directly each other (CamelCAse).
+- Numbers or punctuation are not allowed in the word anywhere (camelCase1).
 
 Here are some rules for you to follow:
 
@@ -11,11 +21,6 @@ Here are some rules for you to follow:
 - If the string is not `camelCase`, return the string unchanged.
 - If the string is `camelCase`, return the `snake_case` version of the string.
 
-Basic `lowerCamelCase` Capitalization Rules:
-
-- The first letter should be lower case.
-- No numbers or punctuations are allowed in the word at any place (camelCase1).
-
 
 ### Expected function 
 
@@ -38,6 +43,7 @@ func main() {
     fmt.Println(CamelToSnakeCase("HelloWorld")) 
     fmt.Println(CamelToSnakeCase("helloWorld"))
     fmt.Println(CamelToSnakeCase("camelCase"))
+    fmt.Println(CamelToSnakeCase("CAMELtoSnackCASE"))
     fmt.Println(CamelToSnakeCase("camelToSnakeCase"))
     fmt.Println(CamelToSnakeCase("132322"))
 }
@@ -47,9 +53,10 @@ and the output should be:
 
 ```console
 $ go run .
-HelloWorld
+Hello_World
 hello_World
 camel_Case
+CAMELtoSnackCASE
 camel_To_Snake_Case
 132322
 ```