Fix sed for OS X (#2080)

[stockfish] / Readme.md

diff --git a/Readme.md b/Readme.md
index a68ef560b99f25a05bdca551eee76c6b2a896bc7..bc058dbc911e05139302e4214a8a15a5f0e6a409 100644 (file)
--- a/Readme.md
+++ b/Readme.md
@@ -86,7 +86,9 @@ Currently, Stockfish has the following UCI options:
     Example: `C:\tablebases\wdl345;C:\tablebases\wdl6;D:\tablebases\dtz345;D:\tablebases\dtz6`
     
     It is recommended to store .rtbw files on an SSD. There is no loss in storing 
-    the .rtbz files on a regular HD.
+    the .rtbz files on a regular HD. It is recommended to verify all md5 checksums
+    of the downloaded tablebase files (`md5sum -c checksum.md5`) as corruption will
+    lead to engine crashes.
 
   * #### SyzygyProbeDepth
     Minimum remaining search depth for which a position is probed. Set this option