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-rw-r--r--docs/libcurl-the-guide1
1 files changed, 1 insertions, 0 deletions
diff --git a/docs/libcurl-the-guide b/docs/libcurl-the-guide
index 4ff3873a2..ba0489179 100644
--- a/docs/libcurl-the-guide
+++ b/docs/libcurl-the-guide
@@ -232,6 +232,7 @@ Multi-threading issues
For SIGPIPE info see the UNIX Socket FAQ at
http://www.unixguide.net/network/socketfaq/2.22.shtml
+ Also, note that CURLOPT_DNS_USE_GLOBAL_CACHE is not thread-safe.
When It Doesn't Work