diff --git a/Things-we-need-to-know-to-help-you-with-'speed'-issues.md b/Things-we-need-to-know-to-help-you-with-'speed'-issues.md
index 808ea86..976fffa 100644
--- a/Things-we-need-to-know-to-help-you-with-'speed'-issues.md
+++ b/Things-we-need-to-know-to-help-you-with-'speed'-issues.md
@@ -31,6 +31,8 @@ Encryption on or off?
 
 IPv6 on or off?
 
+libtorrent version Use Help -> About -> Libraries to identify that.
+
 Connection status? (the icon on the status bar will tell you)
 
 DHT node count (on the status bar)