From 12ddb1073118ce0870d67b1fe65a8c9c472b5b67 Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Tue, 6 Apr 2021 16:55:11 +0200
Subject: Document the navitia api caching

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index fb62e2f..dcaba3d 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 Trains is a simple web app to display train timetables for specific lines at stations on France SNCF's network. It records weekly passages and you can subscribe to certain train times to alert when schedules change or your stop is removed. It queries the SNCF official api by default but will work with any compatible Navitia api implementation and present the results in a minimal web page that loads fast (unlike the official sites with all their images and ads).
 
+Api queries are cached for 60 seconds so that someone refreshing your instance cannot simply DOS the api and exhaust your request quota.
+
 A personal instance runs at https://trains.adyxax.org/.
 
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