Update README.md

fixed -- in execution commands

Author: jakubczakon

README.md

@@ -17,7 +17,7 @@ $ neptune login
 5. Prepare the data:
 
 ```bash
-$ neptune experiment run main.py prepare_metadata \
+$ neptune experiment run main.py -- prepare_metadata \
 --train_data \
 --valid_data \
 --test_data
@@ -29,7 +29,7 @@ $ neptune experiment run main.py prepare_metadata \
 ```bash
 $ neptune login
 $ neptune experiment run \
-main.py train_evaluate_predict --pipeline_name unet --chunk_size 5000
+main.py -- train_evaluate_predict --pipeline_name unet --chunk_size 5000
 ```
 
 7. check your leaderboard score!
@@ -66,7 +66,7 @@ $ neptune data upload YOUR/DATA/FOLDER
     ```bash
     $ neptune login
     $ neptune experiment run \
-    main.py train_evaluate_predict --pipeline_name unet --chunk_size 5000
+    main.py -- train_evaluate_predict --pipeline_name unet --chunk_size 5000
     ```
 
     * cloud via neptune
@@ -76,7 +76,7 @@ $ neptune data upload YOUR/DATA/FOLDER
     $ neptune experiment send --config neptune.yaml \
     --worker gcp-large \
     --environment pytorch-0.2.0-gpu-py3 \
-    main.py train_evaluate_predict --pipeline_name solution_1 --chunk_size 5000
+    main.py -- train_evaluate_predict --pipeline_name solution_1 --chunk_size 5000
     ```
 
     * local pure python