diff --git a/crates/biome_cli/tests/snapshots/main_commands_check/check_json_files.snap b/crates/biome_cli/tests/snapshots/main_commands_check/check_json_files.snap
index f2f95769f35f..b0b286c128a7 100644
--- a/crates/biome_cli/tests/snapshots/main_commands_check/check_json_files.snap
+++ b/crates/biome_cli/tests/snapshots/main_commands_check/check_json_files.snap
@@ -43,7 +43,7 @@ test.json:1:3 lint/suspicious/noDuplicateObjectKeys ━━━━━━━━━
   > 1 │ { "foo": true, "foo": true }
       │   ^^^^^
   
-  i This where a duplicated key was declared again.
+  i This is where a duplicated key was declared again.
   
   > 1 │ { "foo": true, "foo": true }
       │                ^^^^^
diff --git a/crates/biome_cli/tests/snapshots/main_commands_lint/check_json_files.snap b/crates/biome_cli/tests/snapshots/main_commands_lint/check_json_files.snap
index 1f54438ead59..1ddced683f3c 100644
--- a/crates/biome_cli/tests/snapshots/main_commands_lint/check_json_files.snap
+++ b/crates/biome_cli/tests/snapshots/main_commands_lint/check_json_files.snap
@@ -43,7 +43,7 @@ test.json:1:3 lint/suspicious/noDuplicateObjectKeys ━━━━━━━━━
   > 1 │ { "foo": true, "foo": true }
       │   ^^^^^
   
-  i This where a duplicated key was declared again.
+  i This is where a duplicated key was declared again.
   
   > 1 │ { "foo": true, "foo": true }
       │                ^^^^^
diff --git a/crates/biome_json_analyze/src/lint/suspicious/no_duplicate_object_keys.rs b/crates/biome_json_analyze/src/lint/suspicious/no_duplicate_object_keys.rs
index 0fa14074d901..2ed96c0e8c0a 100644
--- a/crates/biome_json_analyze/src/lint/suspicious/no_duplicate_object_keys.rs
+++ b/crates/biome_json_analyze/src/lint/suspicious/no_duplicate_object_keys.rs
@@ -83,7 +83,7 @@ impl Rule for NoDuplicateObjectKeys {
             diagnostic = diagnostic.detail(
                 range,
                 markup! {
-                    "This where a duplicated key was declared again."
+                    "This is where a duplicated key was declared again."
                 },
             );
         }
diff --git a/crates/biome_json_analyze/tests/specs/suspicious/noDuplicateObjectKeys/invalid.json.snap b/crates/biome_json_analyze/tests/specs/suspicious/noDuplicateObjectKeys/invalid.json.snap
index 1dac09218bd3..0d13ebdc58f9 100644
--- a/crates/biome_json_analyze/tests/specs/suspicious/noDuplicateObjectKeys/invalid.json.snap
+++ b/crates/biome_json_analyze/tests/specs/suspicious/noDuplicateObjectKeys/invalid.json.snap
@@ -31,7 +31,7 @@ invalid.json:2:2 lint/suspicious/noDuplicateObjectKeys ━━━━━━━━
     3 │ 	"foo": "",
     4 │ 	"foo": "",
   
-  i This where a duplicated key was declared again.
+  i This is where a duplicated key was declared again.
   
     1 │ {
     2 │ 	"foo": "",
@@ -40,7 +40,7 @@ invalid.json:2:2 lint/suspicious/noDuplicateObjectKeys ━━━━━━━━
     4 │ 	"foo": "",
     5 │ 	"foo": "",
   
-  i This where a duplicated key was declared again.
+  i This is where a duplicated key was declared again.
   
     2 │ 	"foo": "",
     3 │ 	"foo": "",
@@ -49,7 +49,7 @@ invalid.json:2:2 lint/suspicious/noDuplicateObjectKeys ━━━━━━━━
     5 │ 	"foo": "",
     6 │ 	"new": {
   
-  i This where a duplicated key was declared again.
+  i This is where a duplicated key was declared again.
   
     3 │ 	"foo": "",
     4 │ 	"foo": "",
@@ -75,7 +75,7 @@ invalid.json:7:3 lint/suspicious/noDuplicateObjectKeys ━━━━━━━━
     8 │ 		"ipsum": "",
     9 │ 		"lorem": ""
   
-  i This where a duplicated key was declared again.
+  i This is where a duplicated key was declared again.
   
      7 │ 		"lorem": "",
      8 │ 		"ipsum": "",