diff --git a/doc/userguide/performance/index.rst b/doc/userguide/performance/index.rst
index 989666ddf1..7e08a99bdb 100644
--- a/doc/userguide/performance/index.rst
+++ b/doc/userguide/performance/index.rst
@@ -12,4 +12,4 @@ Performance
    tcmalloc
    ignoring-traffic
    hyperscan
-   packet_capture
+   packet-capture
diff --git a/doc/userguide/performance/packet_capture.rst b/doc/userguide/performance/packet-capture.rst
similarity index 100%
rename from doc/userguide/performance/packet_capture.rst
rename to doc/userguide/performance/packet-capture.rst