From 4f69990198b35f962f80d0231cf040b08b1a8533 Mon Sep 17 00:00:00 2001
From: John Mazanec <jmazane@amazon.com>
Date: Fri, 28 May 2021 13:50:01 -0700
Subject: [PATCH] Fix innerproduct for ann

Signed-off-by: John Mazanec <jmazane@amazon.com>
---
 docs/knn/approximate-knn.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/knn/approximate-knn.md b/docs/knn/approximate-knn.md
index afd066cb..bcd0c49c 100644
--- a/docs/knn/approximate-knn.md
+++ b/docs/knn/approximate-knn.md
@@ -176,7 +176,7 @@ A space corresponds to the function used to measure the distance between two poi
   </tr>
   <tr>
     <td>innerproduct</td>
-    <td>\[ Distance(X, Y) = {A &middot; B} \]</td>
+    <td>\[ Distance(X, Y) = - {A &middot; B} \]</td>
     <td>if (Distance Function >= 0) 1 / (1 + Distance Function) else -Distance Function + 1</td>
   </tr>
 </table>