diff --git a/man2/mprotect.2 b/man2/mprotect.2
index d2ae20c7e..440fa6502 100644
--- a/man2/mprotect.2
+++ b/man2/mprotect.2
@@ -227,7 +227,7 @@ is equivalent to
 .\" sigaction.2 refers to this example
 .PP
 The program below demonstrates the use of
-.BR mprotect ()
+.BR mprotect ().
 The program allocates four pages of memory, makes the third
 of these pages read-only, and then executes a loop that walks upward
 through the allocated region modifying bytes.