diff --git a/README.md b/README.md
index df37da2..dd7350e 100644
--- a/README.md
+++ b/README.md
@@ -26,7 +26,7 @@ The API looks basically like this:
     Repo = geef:repository(<<".">>).
     Workdir = Repo:workdir().
     Odb = geef:repository_odb(Repo).
-    Exists = geef:odb_exists(Odb, HexSha).
+    Exists = Odb:exists(HexSha).
 
 
 CONTRIBUTING