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update readme

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commit f4d633ed66507558313d4ad572ab52a697f26537 1 parent e30be31
Josh Crews authored
Showing with 5 additions and 1 deletion.
  1. +5 −1 README.textile
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6 README.textile
@@ -20,9 +20,13 @@ xml_call = directions.xml_call
h3. Error situations
+status: NOT_FOUND
+
If Google can't recognize your places, the distance_in_miles and drive_time_in_minutes will each return 0. You can call <pre>directions.status</pre> and it should return "NOT_FOUND" (directions.status will also return any other Google API call statuses)
-TODO: handle QUERY_OVER_LIMIT
+status: OVER_QUERY_LIMIT
+
+If Google thinks you've hit their API too many times in day, or too rapidly, for your given IP address and API key; they might return OVER_QUERY_LIMIT. In this case distance_in_miles and drive_time_in_minutes will each return 0. You can call <pre>directions.status</pre> and it should return "OVER_QUERY_LIMIT"
h2. Installation
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