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-rw-r--r--erts/doc/src/erlang.xml6
1 files changed, 4 insertions, 2 deletions
diff --git a/erts/doc/src/erlang.xml b/erts/doc/src/erlang.xml
index 77a628e82b..54a0a80536 100644
--- a/erts/doc/src/erlang.xml
+++ b/erts/doc/src/erlang.xml
@@ -2767,8 +2767,10 @@ os_prompt%</pre>
Otherwise, some other point in time is chosen. It is also
guaranteed that subsequent calls to this BIF returns
continuously increasing values. Hence, the return value from
- <c>now()</c> can be used to generate unique time-stamps. It
- can only be used to check the local time of day if
+ <c>now()</c> can be used to generate unique time-stamps,
+ and if it is called in a tight loop on a fast machine
+ the time of the node can become skewed.</p>
+ <p>It can only be used to check the local time of day if
the time-zone info of the underlying operating system is
properly configured.</p>
</desc>