Fix webpages_playback.py instructions

Bug: chromium:1482435
Change-Id: Ib189662ee78f0c1df20d68b5a92f72bac7ca1c36
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/755580
Reviewed-by: Joe Gregorio <jcgregorio@google.com>
diff --git a/tools/skp/webpages_playback.py b/tools/skp/webpages_playback.py
index ca4cc02..cf9e93e 100755
--- a/tools/skp/webpages_playback.py
+++ b/tools/skp/webpages_playback.py
@@ -8,17 +8,18 @@
 To archive webpages and store SKP files (archives should be rarely updated):
 
 cd skia
-python tools/skp/webpages_playback.py --data_store=gs://rmistry --record \
---page_sets=all --skia_tools=/home/default/trunk/out/Debug/ \
+python tools/skp/webpages_playback.py --data_store=gs://your-bucket-name \
+--record --page_sets=all --skia_tools=/home/default/trunk/out/Debug/ \
 --browser_executable=/tmp/chromium/out/Release/chrome
 
-The above command uses Google Storage bucket 'rmistry' to download needed files.
+The above command uses Google Storage bucket 'your-bucket-name' to download
+needed files.
 
 To replay archived webpages and re-generate SKP files (should be run whenever
 SkPicture.PICTURE_VERSION changes):
 
 cd skia
-python tools/skp/webpages_playback.py --data_store=gs://rmistry \
+python tools/skp/webpages_playback.py --data_store=gs://your-bucket-name \
 --page_sets=all --skia_tools=/home/default/trunk/out/Debug/ \
 --browser_executable=/tmp/chromium/out/Release/chrome