Rename ReactPerf methods to match the upcoming ReactPerf revamp

docs/10.9-perf.md

@@ -41,11 +41,15 @@ Prints the overall time taken. If no argument's passed, defaults to all the meas
 
 ![](/react/img/docs/perf-wasted.png)
 
-### `Perf.printDOM(measurements)`
+### `Perf.printOperations(measurements)`
 Prints the underlying DOM manipulations, e.g. "set innerHTML" and "remove".
 
 ![](/react/img/docs/perf-dom.png)
 
+### `Perf.printDOM(measurements)`
+
+This method has been renamed to `printOperations()` which is described in the previous paragraph. Currently `printDOM()` still exists as an alias but it prints a deprecation warning and will eventually be removed.
+
 ## Advanced API
 
 The above print methods use `Perf.getLastMeasurements()` to pretty-print the result.