diff --git a/sql/IO/IO.md b/sql/IO/README.md
similarity index 90%
rename from sql/IO/IO.md
rename to sql/IO/README.md
index 93d4bd9..6c40558 100644
--- a/sql/IO/IO.md
+++ b/sql/IO/README.md
@@ -8,4 +8,4 @@ The queries for this porpose can be used to check the information about:
 * Analyze the impact of vacuum in IO activity (high is bad,maybe >10% ?)
 * Analyze the impact of client backend in fsync activity (high is bad,maybe >10% ?)
 
-TODO: analyze , top IO consumer, top evictions
\ No newline at end of file
+TODO: analyze , top IO consumer, top evictions