diff --git a/src/Pgvector/SparseVector.cs b/src/Pgvector/SparseVector.cs
index cbfbce0..7a52c18 100644
--- a/src/Pgvector/SparseVector.cs
+++ b/src/Pgvector/SparseVector.cs
@@ -18,7 +18,7 @@ public SparseVector(int dimensions, ReadOnlyMemory<int> indices, ReadOnlyMemory<
     {
         if (indices.Length != values.Length)
         {
-            throw new ArgumentException("indices and values must be same length");
+            throw new ArgumentException("indices and values must be the same length");
         }
 
         Dimensions = dimensions;