diff --git a/share/man/man4/rp.4 b/share/man/man4/rp.4
index 1e81113578c..a9d1b60075f 100644
--- a/share/man/man4/rp.4
+++ b/share/man/man4/rp.4
@@ -120,7 +120,7 @@ as card number one; the second card installed in the system must have
 its DIP switches set as card number two; and so on.
 As shipped from
 the factory, DIP switches 6 and 5 are both on by default, indicating
-that it is first card installed on the system:
+that this is the first card installed on the system:
 .Bd -literal -offset indent
 DIP Switches
 6    5
@@ -137,7 +137,7 @@ first
 card.
 If there are more than one
 .Tn RocketPort
-card installed in a system,
+cards installed in a system,
 the second, third and fourth
 .Tn RocketPort
 cards must