diff --git a/doc/3/controllers/collection/get-mapping/index.md b/doc/3/controllers/collection/get-mapping/index.md
index e38a7371..43dcffa5 100644
--- a/doc/3/controllers/collection/get-mapping/index.md
+++ b/doc/3/controllers/collection/get-mapping/index.md
@@ -30,4 +30,4 @@ Returns a `ConcurrentHashMap<String, Object>` representing the collection mappin
 
 ## Usage
 
-<<< ./snippets/get-mapping.js
\ No newline at end of file
+<<< ./snippets/get-mapping.java
\ No newline at end of file
diff --git a/doc/3/controllers/collection/truncate/index.md b/doc/3/controllers/collection/truncate/index.md
index a8819665..9d434cc7 100644
--- a/doc/3/controllers/collection/truncate/index.md
+++ b/doc/3/controllers/collection/truncate/index.md
@@ -26,4 +26,4 @@ public CompletableFuture<Void> truncate(
 
 ## Usage
 
-<<< ./snippets/truncate.js
+<<< ./snippets/truncate.java
diff --git a/doc/3/controllers/document/delete-by-query/index.md b/doc/3/controllers/document/delete-by-query/index.md
index c59a5abc..90f5b06f 100644
--- a/doc/3/controllers/document/delete-by-query/index.md
+++ b/doc/3/controllers/document/delete-by-query/index.md
@@ -43,4 +43,4 @@ Returns an `ArrayList<String>` containing the deleted document ids.
 
 ## Usage
 
-<<< ./snippets/delete-by-query.js
\ No newline at end of file
+<<< ./snippets/delete-by-query.java
\ No newline at end of file
diff --git a/doc/3/controllers/document/update-by-query/index.md b/doc/3/controllers/document/update-by-query/index.md
index 09f0d8b0..0248c35d 100644
--- a/doc/3/controllers/document/update-by-query/index.md
+++ b/doc/3/controllers/document/update-by-query/index.md
@@ -73,4 +73,4 @@ Each errored document is an object of the `errors` array with the following prop
 
 ## Usage
 
-<<< ./snippets/update-by-query.js
\ No newline at end of file
+<<< ./snippets/update-by-query.java
\ No newline at end of file
diff --git a/doc/3/controllers/document/update/snippets/update.test.yml b/doc/3/controllers/document/update/snippets/update.test.yml
index f16f3719..23a066ff 100644
--- a/doc/3/controllers/document/update/snippets/update.test.yml
+++ b/doc/3/controllers/document/update/snippets/update.test.yml
@@ -8,4 +8,4 @@ hooks:
     curl -XPOST -d '{"name":"John"}' -H "Content-Type: application/json" kuzzle:7512/nyc-open-data/yellow-taxi/some-id/_create
   after:
 template: print-result
-expected: "{_id=some-id, _version=2}"
\ No newline at end of file
+expected: "_id=some-id, _version=2"
\ No newline at end of file