Clarify report file command (#45)

README.md

@@ -125,15 +125,15 @@ no parameters are passed in.
 ## Building a report file
 Reports support generating output in multiple formats. An example report call:
 
-    python -m paperai.report tasks/risk-factors.yml 50 md cord19/models
+    python -m paperai.report tasks/risks.yml 50 md cord19/models
 
 The following report formats are supported:
 
 - Markdown (Default) - Renders a Markdown report. Columns and answers are extracted from articles with the results stored in a Markdown file.
 - CSV - Renders a CSV report. Columns and answers are extracted from articles with the results stored in a CSV file.
 - Annotation - Columns and answers are extracted from articles with the results annotated over the original PDF files. Requires passing in a path with the original PDF files.
 
-In the example above, a file named tasks/risk-factors.md will be created.
+In the example above, a file named tasks/risk_factors.md will be created. Example report configuration files can be found [here](https://github.com/neuml/cord19q/tree/master/tasks).
 
 ## Running queries
 The fastest way to run queries is to start a paperai shell