diff --git a/glanceclient/tests/unit/v2/fixtures.py b/glanceclient/tests/unit/v2/fixtures.py
index bc8793d3..6cc2966f 100644
--- a/glanceclient/tests/unit/v2/fixtures.py
+++ b/glanceclient/tests/unit/v2/fixtures.py
@@ -159,7 +159,10 @@ schema_fixture = {
             "type": "string"
         },
         "instance_uuid": {
-            "description": "ID of instance used to create this image.",
+            "description": ("Metadata which can be used to record which "
+                            "instance this image is associated with. "
+                            "(Informational only, does not create an instance "
+                            "snapshot.)"),
             "is_base": "false",
             "type": "string"
         },
diff --git a/glanceclient/v2/image_schema.py b/glanceclient/v2/image_schema.py
index ad669bab..aee71446 100644
--- a/glanceclient/v2/image_schema.py
+++ b/glanceclient/v2/image_schema.py
@@ -195,7 +195,10 @@ _BASE_SCHEMA = {
         },
         "instance_uuid": {
             "type": "string",
-            "description": "ID of instance used to create this image."
+            "description": ("Metadata which can be used to record which "
+                            "instance this image is associated with. "
+                            "(Informational only, does not create an instance "
+                            "snapshot.)")
         },
         "name": {
             "type": "string",