Merge pull request #52 from smacker/patch-2

Add note to file command

README.md

@@ -108,6 +108,8 @@ python3 labours.py -m file
 
 Burndown statistics for every file in the repository which is alive in the latest revision.
 
+Note: it will generate separate graph for every file. You might don't want to run it on repository with many files.
+
 #### People
 
 ```