diff --git a/config/example-extras.cfg b/config/example-extras.cfg
index 1ba639c3..17af0acc 100644
--- a/config/example-extras.cfg
+++ b/config/example-extras.cfg
@@ -481,10 +481,10 @@
 # example: "G2 X125 Y32 Z10 E5 I10.5 J10.5"
 #[gcode_arcs]
 #resolution: 1.0
-#   An Arc will be split in segments. Each segment will in x mm set here.
-#   Lower values will producse a finer arc, but also more to do for
-#   your machine. This also means that arcs smaller then this value
-#   will be a line only
+#   An arc will be split into segments. Each segment's length will equal
+#   the resolution in mm set above. Lower values will produce a finer arc,
+#   but also more work for your machine. Arcs smaller than the configured
+#   value will become straight lines.
 
 # Enable the "M118" and "RESPOND" extended commands.
 # [respond]