diff --git a/django/db/backends/mysql/base.py b/django/db/backends/mysql/base.py
index f4523e4e82..c9243febf7 100644
--- a/django/db/backends/mysql/base.py
+++ b/django/db/backends/mysql/base.py
@@ -366,7 +366,7 @@ class DatabaseWrapper(BaseDatabaseWrapper):
 
     def check_constraints(self, table_names=None):
         """
-        Checks each table name in table-names for rows with invalid foreign key references. This method is
+        Checks each table name in `table_names` for rows with invalid foreign key references. This method is
         intended to be used in conjunction with `disable_constraint_checking()` and `enable_constraint_checking()`, to
         determine if rows with invalid references were entered while constraint checks were off.
 
diff --git a/django/db/backends/sqlite3/base.py b/django/db/backends/sqlite3/base.py
index f922d38638..e3c12f7583 100644
--- a/django/db/backends/sqlite3/base.py
+++ b/django/db/backends/sqlite3/base.py
@@ -208,7 +208,7 @@ class DatabaseWrapper(BaseDatabaseWrapper):
 
     def check_constraints(self, table_names=None):
         """
-        Checks each table name in table-names for rows with invalid foreign key references. This method is
+        Checks each table name in `table_names` for rows with invalid foreign key references. This method is
         intended to be used in conjunction with `disable_constraint_checking()` and `enable_constraint_checking()`, to
         determine if rows with invalid references were entered while constraint checks were off.
 
diff --git a/tests/regressiontests/fixtures_regress/fixtures/forward_ref.json b/tests/regressiontests/fixtures_regress/fixtures/forward_ref.json
new file mode 100644
index 0000000000..237b076243
--- /dev/null
+++ b/tests/regressiontests/fixtures_regress/fixtures/forward_ref.json
@@ -0,0 +1,17 @@
+[
+    {
+        "pk": 1,
+        "model": "fixtures_regress.book",
+        "fields": {
+            "name": "Cryptonomicon",
+            "author": 4
+        }
+    },
+    {
+        "pk": "4",
+        "model": "fixtures_regress.person",
+        "fields": {
+            "name": "Neal Stephenson"
+        }
+    }
+]
\ No newline at end of file
diff --git a/tests/regressiontests/fixtures_regress/fixtures/forward_ref_bad_data.json b/tests/regressiontests/fixtures_regress/fixtures/forward_ref_bad_data.json
new file mode 100644
index 0000000000..3a3fb64360
--- /dev/null
+++ b/tests/regressiontests/fixtures_regress/fixtures/forward_ref_bad_data.json
@@ -0,0 +1,17 @@
+[
+    {
+        "pk": 1,
+        "model": "fixtures_regress.book",
+        "fields": {
+            "name": "Cryptonomicon",
+            "author": 3
+        }
+    },
+    {
+        "pk": "4",
+        "model": "fixtures_regress.person",
+        "fields": {
+            "name": "Neal Stephenson"
+        }
+    }
+]
\ No newline at end of file