diff --git a/detect.py b/detect.py
index ce1ec7c2..c10f8d8c 100644
--- a/detect.py
+++ b/detect.py
@@ -11,7 +11,7 @@ def detect(
         cfg,
         data_cfg,
         weights,
-        images,
+        images='data/samples',  # input folder
         output='output',  # output folder
         img_size=416,
         conf_thres=0.5,
@@ -122,7 +122,7 @@ if __name__ == '__main__':
     parser.add_argument('--data-cfg', type=str, default='data/coco.data', help='coco.data file path')
     parser.add_argument('--weights', type=str, default='weights/yolov3-spp.weights', help='path to weights file')
     parser.add_argument('--images', type=str, default='data/samples', help='path to images')
-    parser.add_argument('--img-size', type=int, default=416, help='size of each image dimension')
+    parser.add_argument('--img-size', type=int, default=416, help='inference size (pixels)')
     parser.add_argument('--conf-thres', type=float, default=0.5, help='object confidence threshold')
     parser.add_argument('--nms-thres', type=float, default=0.5, help='iou threshold for non-maximum suppression')
     opt = parser.parse_args()
@@ -133,7 +133,7 @@ if __name__ == '__main__':
             opt.cfg,
             opt.data_cfg,
             opt.weights,
-            opt.images,
+            images=opt.images,
             img_size=opt.img_size,
             conf_thres=opt.conf_thres,
             nms_thres=opt.nms_thres
diff --git a/test.py b/test.py
index 7882be24..fe6392bc 100644
--- a/test.py
+++ b/test.py
@@ -189,7 +189,7 @@ if __name__ == '__main__':
     parser.add_argument('--conf-thres', type=float, default=0.001, help='object confidence threshold')
     parser.add_argument('--nms-thres', type=float, default=0.5, help='iou threshold for non-maximum suppression')
     parser.add_argument('--save-json', action='store_true', help='save a cocoapi-compatible JSON results file')
-    parser.add_argument('--img-size', type=int, default=416, help='size of each image dimension')
+    parser.add_argument('--img-size', type=int, default=416, help='inference size (pixels)')
     opt = parser.parse_args()
     print(opt, end='\n\n')
 
diff --git a/train.py b/train.py
index 80798c0d..5c0bf823 100644
--- a/train.py
+++ b/train.py
@@ -281,7 +281,7 @@ if __name__ == '__main__':
     parser.add_argument('--cfg', type=str, default='cfg/yolov3-spp.cfg', help='cfg file path')
     parser.add_argument('--data-cfg', type=str, default='data/coco.data', help='coco.data file path')
     parser.add_argument('--multi-scale', action='store_true', help='random image sizes per batch 320 - 608')
-    parser.add_argument('--img-size', type=int, default=416, help='pixels')
+    parser.add_argument('--img-size', type=int, default=416, help='inference size (pixels)')
     parser.add_argument('--resume', action='store_true', help='resume training flag')
     parser.add_argument('--transfer', action='store_true', help='transfer learning flag')
     parser.add_argument('--num-workers', type=int, default=2, help='number of Pytorch DataLoader workers')