Fix typos in testserver docstrings.

net/tools/testserver/testserver.py

Index: net/tools/testserver/testserver.py
diff --git a/net/tools/testserver/testserver.py b/net/tools/testserver/testserver.py
index dc9f93a1966632142a2f808d489579a6a4e63e2a..ba1fd662abf95c98bfa10f838068484b87a1d858 100755
--- a/net/tools/testserver/testserver.py
+++ b/net/tools/testserver/testserver.py
@@ -471,7 +471,7 @@ class TestPageHandler(testserver_base.BasePageHandler):
 
   def CachePrivateHandler(self):
     """This request handler yields a page with the title set to the current
-    system time, and allows caching for 5 seconds."""
+    system time, and allows caching for 3 seconds."""
 
     if not self._ShouldHandleRequest("/cache/private"):
       return False
@@ -488,7 +488,7 @@ class TestPageHandler(testserver_base.BasePageHandler):
 
   def CachePublicHandler(self):
     """This request handler yields a page with the title set to the current
-    system time, and allows caching for 5 seconds."""
+    system time, and allows caching for 3 seconds."""
 
     if not self._ShouldHandleRequest("/cache/public"):
       return False