diff --git a/data/carrefour.txt b/data/Carrefour.txt
similarity index 100%
rename from data/carrefour.txt
rename to data/Carrefour.txt
diff --git a/data/coto.txt b/data/Coto.txt
similarity index 100%
rename from data/coto.txt
rename to data/Coto.txt
diff --git a/data/dia.txt b/data/Dia.txt
similarity index 100%
rename from data/dia.txt
rename to data/Dia.txt