Add "ARC" so chkdoc will recognize it.

diff --git a/README b/README
index 2e94688b2d2451838222946d42b9174dfdc8d2b0..b0af83c6b65654982fb96b7be8117f3f398bf20b 100644 (file)
--- a/README
+++ b/README
@@ -463,7 +463,8 @@ DATA FILTERS
        locations.  The result would be a GPX file that more than likely
        contains only unique points and point data.
 
-     DISTANCE ALONG A ROUTE (ARC)
+    DISTANCE ALONG A ROUTE (ARC)
+    ARC
 
         The arc filter is designed to include points based on their
         proximity to an arc, which is a series of connected line