From 817be9a66339ada7858b56db1920bb22053e78c1 Mon Sep 17 00:00:00 2001
From: Zhiru Zhu <zhiru.zhu@zilliz.com>
Date: Fri, 15 Nov 2019 18:07:26 +0800
Subject: [PATCH] update

---
 core/build.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/core/build.sh b/core/build.sh
index 7d901e3c41..3afb5d1b37 100755
--- a/core/build.sh
+++ b/core/build.sh
@@ -75,7 +75,8 @@ parameter:
 -d: db data path(default: /tmp/milvus)
 -t: build type(default: Debug)
 -f: FAISS root path(default: empty). The path should be an absolute path
-    containing the pre-installed lib/ and include/ directory of FAISS
+    containing the pre-installed lib/ and include/ directory of FAISS. If they can't be found,
+    we will build the original FAISS from source instead.
 -u: building unit test options(default: OFF)
 -l: run cpplint, clang-format and clang-tidy(default: OFF)
 -r: remove previous build directory(default: OFF)