diff --git a/hledger/Hledger/Cli/Commands/Add.md b/hledger/Hledger/Cli/Commands/Add.md
index 0bb8c469d..afa54c97f 100644
--- a/hledger/Hledger/Cli/Commands/Add.md
+++ b/hledger/Hledger/Cli/Commands/Add.md
@@ -60,3 +60,6 @@ Starting the next transaction (. or ctrl-D/ctrl-C to quit)
 Date [2015/05/22]: <CTRL-D> $
 ```
 
+On Microsoft Windows, the add command makes sure that no part of the
+file path ends with a period, as it can cause data loss on that platform
+(cf [#1056](https://github.com/simonmichael/hledger/issues/1056)).