Merge "catapult: Add flag for chromiumCommitPositions diagnostic"
diff --git a/catapult/README.md b/catapult/README.md
index 8f3da28..7fd1796 100644
--- a/catapult/README.md
+++ b/catapult/README.md
@@ -3,16 +3,16 @@
Go packages for working with Catapult.
-## Tools in this package
+#### Example Usage:
+Convert Fuchsia performance test output into a HistogramSet for the Catapult dashboard:
-### make_histogram
-Converts Fuchsia performance test output into a HistogramSet for the Catapult dashboard.
-
-#### Usage:
```sh
-go build cmd/make_histogram/make_histogram.go
-./make_histogram <input-file>
+catapult make_histogram --datetime=1234455667789 --test-suite=fuchsia.example.benchmark --builder=fuchsia.example.builder --bucket=fuchsia.example.bucket /path/to/test_results.json > histogram_set.json
```
-Where `<input-file>` contains the json output of a performance test. To generate some example
-data, run `zircon_benchmarks --fbenchmark_out=results.json` in a Fuchsia image.
\ No newline at end of file
+Upload a file containing a HistogramSet to the Catapult dashboard:
+
+```sh
+catapult upload --url=https://chromeperf.appspot.com/add_histograms --service-account-json=/path/to/acccount.json histogram_set.json
+```
+
