fix: kindIs function documentation

Signed-off-by: Terry Howe <[email protected]>

content/en/docs/chart_template_guide/function_list.md

@@ -2016,10 +2016,10 @@ The above would return `string`. For simple tests (like in `if` blocks), the
 `kindIs` function will let you verify that a value is a particular kind:
 
 ```
-kindIs "int" 123
+kindIs "float64" 123
 ```
 
-The above will return `true`.
+The above will return `true` because numbers are stored as `float64` by the parser.
 
 ### Type Functions