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-rw-r--r--docs/configuration.md3
1 files changed, 2 insertions, 1 deletions
diff --git a/docs/configuration.md b/docs/configuration.md
index e4d5b21a12..fa7123af1b 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -73,7 +73,8 @@ there are at least four properties that you will commonly want to control:
<td>/tmp</td>
<td>
Directory to use for "scratch" space in Spark, including map output files and RDDs that get stored
- on disk. This should be on a fast, local disk in your system.
+ on disk. This should be on a fast, local disk in your system. It can also be a comma-separated
+ list of multiple directories.
</td>
</tr>
<tr>