@noconflict directives docs (#4490)

* @noconflict directives docs

Adds documentation for the @noconflict directive that was introduced in #4454.

wiki/content/query-language/index.md

@@ -1956,7 +1956,7 @@ You can also apply `@normalize` on nested query blocks. It will work similarly b
 {{< /runnable >}}
 
 
-## Ignorereflex directive
+## IgnoreReflex directive
 
 The `@ignorereflex` directive forces the removal of child nodes that are reachable from themselves as a parent, through any path in the query result
 
@@ -2195,6 +2195,18 @@ This is how you specify the upsert directive for a predicate.
 email: string @index(exact) @upsert .
 ```
 
+### Noconflict directive
+
+The NoConflict directive prevents conflict detection at the predicate level. This is an experimental feature and not a
+recommended directive but exists to help avoid conflicts for predicates that don't have high
+correctness requirements. This can cause data loss, especially when used for predicates with count
+index.
+
+This is how you specify the `@noconflict` directive for a predicate.
+```
+email: string @index(exact) @noconflict .
+```
+
 ### RDF Types
 
 Dgraph supports a number of [RDF types in mutations]({{< relref "mutations/index.md#language-and-rdf-types" >}}).