diff --git a/docs/README.md b/docs/README.md
index 0974f73fae..195ede153e 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -39,7 +39,7 @@ a number of different elements of the system:
 * The [super data model](formats/zed.md) is the abstract definition of the data types and semantics
 that underlie the super-structured data formats.
 * The [super data formats](formats/README.md) are a family of
-[human-readable (Super JSON, JSUP)](formats/jsip.md),
+[human-readable (Super JSON, JSUP)](formats/jsup.md),
 [sequential (Super Binary, BSUP)](formats/zng.md), and
 [columnar (Super Columnar, CSUP)](formats/vng.md) formats that all adhere to the
 same abstract super data model.