diff --git a/src/test/java/de/ids_mannheim/korap/config/TestVariables.java b/src/test/java/de/ids_mannheim/korap/config/TestVariables.java
index e4658ce..b29d947 100644
--- a/src/test/java/de/ids_mannheim/korap/config/TestVariables.java
+++ b/src/test/java/de/ids_mannheim/korap/config/TestVariables.java
@@ -44,7 +44,7 @@
             + "\t\t}],\n" + "\t\t\"rewrites\": [{\n"
             + "\t\t\t\"@type\": \"koral:rewrite\",\n"
             + "\t\t\t\"src\": \"Kustvakt\",\n"
-            + "\t\t\t\"operation\": \"operation:insertion\",\n"
+            + "\t\t\t\"operation\": \"operation:injection\",\n"
             + "\t\t\t\"scope\": \"corpusSigle\"\n" + "\t\t}]\n" + "\t},\n"
             + "\t\"matches\": [{\n" + "\t\t\"field\": \"tokens\",\n"
             + "\t\t\"textClass\": \"wissenschaft populaerwissenschaft\",\n"
diff --git a/src/test/java/de/ids_mannheim/korap/rewrite/VirtualCorpusRewriteTest.java b/src/test/java/de/ids_mannheim/korap/rewrite/VirtualCorpusRewriteTest.java
index f35096c..b3a308f 100644
--- a/src/test/java/de/ids_mannheim/korap/rewrite/VirtualCorpusRewriteTest.java
+++ b/src/test/java/de/ids_mannheim/korap/rewrite/VirtualCorpusRewriteTest.java
@@ -70,7 +70,7 @@
         node = node.at("/operands/1/rewrites");
         assertEquals(2, node.size());
         assertEquals(node.at("/0/operation").asText(), "operation:deletion");
-        assertEquals(node.at("/1/operation").asText(), "operation:insertion");
+        assertEquals(node.at("/1/operation").asText(), "operation:injection");
     }
 
     @Test
@@ -91,7 +91,7 @@
         assertEquals(3, node.size());
         assertEquals(node.at("/0/operation").asText(), "operation:deletion");
         assertEquals(node.at("/1/operation").asText(), "operation:deletion");
-        assertEquals(node.at("/2/operation").asText(), "operation:insertion");
+        assertEquals(node.at("/2/operation").asText(), "operation:injection");
     }
 
     @Test
@@ -111,7 +111,7 @@
         assertEquals(3, node.size());
         assertEquals(node.at("/0/operation").asText(), "operation:deletion");
         assertEquals(node.at("/1/operation").asText(), "operation:deletion");
-        assertEquals(node.at("/2/operation").asText(), "operation:insertion");
+        assertEquals(node.at("/2/operation").asText(), "operation:injection");
     }
 
     @Test
diff --git a/src/test/java/de/ids_mannheim/korap/web/controller/AvailabilityTest.java b/src/test/java/de/ids_mannheim/korap/web/controller/AvailabilityTest.java
index 4ad3ba3..4cc98b0 100644
--- a/src/test/java/de/ids_mannheim/korap/web/controller/AvailabilityTest.java
+++ b/src/test/java/de/ids_mannheim/korap/web/controller/AvailabilityTest.java
@@ -26,7 +26,7 @@
         assertEquals(node.at("/collection/operands/0/value").asText(),
                 "CC.*");
         assertEquals(node.at("/collection/rewrites/0/operation").asText(),
-                "operation:insertion");
+                "operation:injection");
         assertEquals(node.at("/collection/rewrites/0/scope").asText(),
                 "availability(FREE)");
     }
@@ -63,7 +63,7 @@
                         .asText(),
                 "QAO-NC");
         assertEquals(node.at("/collection/rewrites/0/operation").asText(),
-                "operation:insertion");
+                "operation:injection");
         assertEquals(node.at("/collection/rewrites/0/scope").asText(),
                 "availability(PUB)");
     }
@@ -74,7 +74,7 @@
         assertEquals(node.at("/collection/operation").asText(),
                 "operation:and");
         assertEquals(node.at("/collection/rewrites/0/operation").asText(),
-                "operation:insertion");
+                "operation:injection");
         assertEquals(node.at("/collection/rewrites/0/scope").asText(),
                 "availability(PUB)");
         assertEquals(node.at("/collection/operands/1/match").asText(),
@@ -104,7 +104,7 @@
         assertEquals(node.at("/collection/operation").asText(),
                 "operation:and");
         assertEquals(node.at("/collection/rewrites/0/operation").asText(),
-                "operation:insertion");
+                "operation:injection");
         assertEquals(node.at("/collection/rewrites/0/scope").asText(),
                 "availability(ALL)");
         assertEquals(node.at("/collection/operands/1/match").asText(),
diff --git a/src/test/java/de/ids_mannheim/korap/web/controller/SearchControllerTest.java b/src/test/java/de/ids_mannheim/korap/web/controller/SearchControllerTest.java
index 181ec65..132f6b0 100644
--- a/src/test/java/de/ids_mannheim/korap/web/controller/SearchControllerTest.java
+++ b/src/test/java/de/ids_mannheim/korap/web/controller/SearchControllerTest.java
@@ -120,7 +120,7 @@
         assertEquals("CC.*", node.at("/collection/value").asText());
         assertEquals("availability(FREE)",
                 node.at("/collection/rewrites/0/scope").asText());
-        assertEquals("operation:insertion",
+        assertEquals("operation:injection",
                 node.at("/collection/rewrites/0/operation").asText());
     }
 
@@ -183,7 +183,7 @@
         assertEquals("CC.*", node.at("/collection/value").asText());
         assertEquals("availability(FREE)",
                 node.at("/collection/rewrites/0/scope").asText());
-        assertEquals("operation:insertion",
+        assertEquals("operation:injection",
                 node.at("/collection/rewrites/0/operation").asText());
     }
 
@@ -203,7 +203,7 @@
         assertEquals("CC.*", node.at("/collection/value").asText());
         assertEquals("availability(FREE)",
                 node.at("/collection/rewrites/0/scope").asText());
-        assertEquals("operation:insertion",
+        assertEquals("operation:injection",
                 node.at("/collection/rewrites/0/operation").asText());
     }
 
@@ -232,7 +232,7 @@
         assertEquals("operation:or", node.at("/collection/operation").asText());
         assertEquals("availability(PUB)",
                 node.at("/collection/rewrites/0/scope").asText());
-        assertEquals("operation:insertion",
+        assertEquals("operation:injection",
                 node.at("/collection/rewrites/0/operation").asText());
     }
 
@@ -264,7 +264,7 @@
         assertEquals("operation:or", node.at("/collection/operation").asText());
         assertEquals("availability(ALL)",
                 node.at("/collection/rewrites/0/scope").asText());
-        assertEquals("operation:insertion",
+        assertEquals("operation:injection",
                 node.at("/collection/rewrites/0/operation").asText());
     }
 
@@ -327,7 +327,7 @@
         assertEquals(Status.OK.getStatusCode(), response.getStatus());
         JsonNode node = JsonUtils.readTree(response.readEntity(String.class));
         assertNotNull(node);
-        assertEquals("operation:insertion",
+        assertEquals("operation:injection",
                 node.at("/collection/rewrites/0/operation").asText());
         assertEquals("availability(FREE)",
                 node.at("/collection/rewrites/0/scope").asText());
diff --git a/src/test/java/de/ids_mannheim/korap/web/controller/SearchPipeTest.java b/src/test/java/de/ids_mannheim/korap/web/controller/SearchPipeTest.java
index 03a019e..39f1cf9 100644
--- a/src/test/java/de/ids_mannheim/korap/web/controller/SearchPipeTest.java
+++ b/src/test/java/de/ids_mannheim/korap/web/controller/SearchPipeTest.java
@@ -117,7 +117,7 @@
         assertEquals(2, node.at("/query/wrap/key").size());
         assertEquals(1, node.at("/collection/rewrites").size());
         assertEquals(node.at("/collection/rewrites/0/operation").asText(),
-                "operation:insertion");
+                "operation:injection");
         assertEquals(node.at("/collection/rewrites/0/scope").asText(),
                 "availability(FREE)");
         node = node.at("/query/wrap/rewrites");
diff --git a/src/test/java/de/ids_mannheim/korap/web/controller/SearchPublicMetadataTest.java b/src/test/java/de/ids_mannheim/korap/web/controller/SearchPublicMetadataTest.java
index aeec05e..cd5e617 100644
--- a/src/test/java/de/ids_mannheim/korap/web/controller/SearchPublicMetadataTest.java
+++ b/src/test/java/de/ids_mannheim/korap/web/controller/SearchPublicMetadataTest.java
@@ -131,7 +131,7 @@
                 "operation:deletion");
         assertEquals(node.at("/rewrites/1/scope").asText(), "ref(system-vc)");
         assertEquals(node.at("/rewrites/2/operation").asText(),
-                "operation:insertion");
+                "operation:injection");
     }
 
     @Test
diff --git a/src/test/java/de/ids_mannheim/korap/web/controller/vc/VirtualCorpusReferenceTest.java b/src/test/java/de/ids_mannheim/korap/web/controller/vc/VirtualCorpusReferenceTest.java
index 6b908e9..76377a2 100644
--- a/src/test/java/de/ids_mannheim/korap/web/controller/vc/VirtualCorpusReferenceTest.java
+++ b/src/test/java/de/ids_mannheim/korap/web/controller/vc/VirtualCorpusReferenceTest.java
@@ -193,7 +193,7 @@
         assertEquals(node.at("/0/scope").asText(), "@type(koral:docGroupRef)");
         assertEquals(node.at("/1/operation").asText(), "operation:deletion");
         assertEquals(node.at("/1/scope").asText(), "ref(marlin/published-vc)");
-        assertEquals(node.at("/2/operation").asText(), "operation:insertion");
+        assertEquals(node.at("/2/operation").asText(), "operation:injection");
     }
 
     @Test