diff --git a/src/reference-manual/types.qmd b/src/reference-manual/types.qmd
index 82be576e3..b113778b8 100644
--- a/src/reference-manual/types.qmd
+++ b/src/reference-manual/types.qmd
@@ -1656,7 +1656,7 @@ dimensions `matrix[K, K]` types.
 +---------------------+-------------------------+----------------------------------------------+
 |                     |                         | `matrix[M, N]<upper=U>`                      |
 +---------------------+-------------------------+----------------------------------------------+
-|                     |                         | `matrix[M, N]<lower=L, uppers=U>`            |
+|                     |                         | `matrix[M, N]<lower=L, upper=U>`            |
 +---------------------+-------------------------+----------------------------------------------+
 |                     |                         | `matrix[M, N]<offset=O>`                     |
 +---------------------+-------------------------+----------------------------------------------+