docs: Fixed Slugify doc in GoTemplate.md (argoproj#16685)

* docs: Fixed Slugify doc in  GoTemplate.md

Signed-off-by: Aymen Ben Tanfous <aymen.bentanfous@gmail.com>

* Update docs/operator-manual/applicationset/GoTemplate.md

Co-authored-by: Blake Pettersson <blake.pettersson@gmail.com>
Signed-off-by: Aymen Ben Tanfous <aymen.bentanfous@gmail.com>

* Update docs/operator-manual/applicationset/GoTemplate.md

Co-authored-by: Blake Pettersson <blake.pettersson@gmail.com>
Signed-off-by: Aymen Ben Tanfous <aymen.bentanfous@gmail.com>

---------

Signed-off-by: Aymen Ben Tanfous <aymen.bentanfous@gmail.com>
Co-authored-by: Blake Pettersson <blake.pettersson@gmail.com>

docs/operator-manual/applicationset/GoTemplate.md

@@ -12,7 +12,7 @@ An additional `normalize` function makes any string parameter usable as a valid
 with hyphens and truncating at 253 characters. This is useful when making parameters safe for things like Application
 names.
 
-Another function has `slugify` function has been added which, by default, sanitizes and smart truncate (means doesn't cut a word into 2). This function accepts a couple of arguments:
+Another `slugify` function has been added which, by default, sanitizes and smart truncates (it doesn't cut a word into 2). This function accepts a couple of arguments:
 - The first argument (if provided) is an integer specifying the maximum length of the slug.
 - The second argument (if provided) is a boolean indicating whether smart truncation is enabled.
 - The last argument (if provided) is the input name that needs to be slugified.
@@ -206,6 +206,8 @@ ApplicationSet controller provides:
   1. contains no more than 253 characters
   2. contains only lowercase alphanumeric characters, '-' or '.'
   3. starts and ends with an alphanumeric character
+
+- `slugify`: sanitizes like `normalize` and smart truncates (it doesn't cut a word into 2) like described in the [introduction](#introduction) section.
 - `toYaml` / `fromYaml` / `fromYamlArray` helm like functions