diff --git a/world-cup-comparisons/README.md b/world-cup-comparisons/README.md
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--- a/world-cup-comparisons/README.md
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@@ -6,4 +6,4 @@ files:
 
 This file contains links to the data behind [50 Years Of World Cup Doppelgangers](https://projects.fivethirtyeight.com/world-cup-comparisons/).
 
-`world_cup_comparisons` contains all historical players and their associated z-score for each metric.
+`world_cup_comparisons.csv` contains all historical players and their associated z-score for each of the 16 metrics.