diff --git a/man2/intro.2 b/man2/intro.2
index b65bdfcd7..d0d18dc67 100644
--- a/man2/intro.2
+++ b/man2/intro.2
@@ -46,7 +46,7 @@ copying arguments and the unique system call number to the
 registers where the kernel expects them;
 .IP *
 trapping to kernel mode,
-at which point the kernel does the real work of the system call; and
+at which point the kernel does the real work of the system call;
 .IP *
 setting
 .I errno
@@ -55,7 +55,7 @@ CPU to user mode.
 .LP
 However, in a few cases, a wrapper function may do rather more than this,
 for example, performing some preprocessing
-of the arguments of arguments before trapping to kernel mode,
+of the arguments before trapping to kernel mode,
 or postprocessing of values returned by the system call.
 Where this is the case, the manual pages in Section 2 generally
 try to note the details of both the (usually GNU) C library API