Whitespace change to test rietveld cq

tools_webrtc/whitespace.txt

Index: tools_webrtc/whitespace.txt
diff --git a/tools_webrtc/whitespace.txt b/tools_webrtc/whitespace.txt
index 8f48707c17f1c617c4309f7d590c21650f9d53b2..633f23318e2dd356b9dd3b80eeca59ae4bac7795 100644
--- a/tools_webrtc/whitespace.txt
+++ b/tools_webrtc/whitespace.txt
@@ -1,7 +1,7 @@
 You can modify this file to create no-op changelists.
 
 Try to write something funny. And please don't add trailing whitespace.
-Whitespaces are cool, except when they're trailing. They they're kind of
+Whitespaces are cool, except when they're trailing. Then they're kind of
 80s.
 Here's a funny story: What do you call a root beer in a square glass? Beer!
 Holidays are coming, beware! Bought any gifts yet?