diff --git a/README.md b/README.md
index dc3e25c..3c8e65f 100644
--- a/README.md
+++ b/README.md
@@ -66,8 +66,8 @@ The command-line interface is straightforward as reflected in the output from
       -f, --flow hard|soft|none        Flow control (default: none)
       -s, --stopbits 1|2               Stop bits (default: 1)
       -p, --parity odd|even|none       Parity (default: none)
-      -o, --output-delay <ms>          Character output delay (default: 0)
-      -O, --output-line-delay <ms>     Line output delay (default: 0)
+      -o, --output-delay <ms>          Output character delay (default: 0)
+      -O, --output-line-delay <ms>     Output line delay (default: 0)
           --dtr-pulse-duration <ms>    DTR pulse duration (default: 100)
       -n, --no-autoconnect             Disable automatic connect
       -e, --local-echo                 Enable local echo