diff --git a/man3/addseverity.3 b/man3/addseverity.3
index 123c95d2f..7d706036a 100644
--- a/man3/addseverity.3
+++ b/man3/addseverity.3
@@ -43,7 +43,7 @@ is returned. Upon error, the return value is
 Possible errors include: out of memory, attempt to remove a
 nonexistent or default severity class.
 .SH NOTE
-New severity classes can also be added by setting the environment varible 
+New severity classes can also be added by setting the environment variable 
 .BR SEV_LEVEL .
 .SH "CONFORMING TO"
 This function is not specified in the X/Open Portability Guide
diff --git a/man3/errno.3 b/man3/errno.3
index 3d151f903..8e23d68d0 100644
--- a/man3/errno.3
+++ b/man3/errno.3
@@ -446,7 +446,7 @@ Connection timed out (POSIX.1)
 Text file busy (POSIX.1)
 .TP
 .BR EUCLEAN
-Struture needs cleaning
+Structure needs cleaning
 .TP
 .BR EUNATCH
 Protocol driver not attached
diff --git a/man3/updwtmp.3 b/man3/updwtmp.3
index 9cced3ddf..23aeccc40 100644
--- a/man3/updwtmp.3
+++ b/man3/updwtmp.3
@@ -35,7 +35,7 @@ updwtmp, logwtmp \- append an entry to the wtmp file
 .I ut
 to the wtmp file.
 .PP
-\fBlogwtmp\fR() constructs an utmp structure using
+\fBlogwtmp\fR() constructs a utmp structure using
 .IR line ", " name ", " host ,
 current time and current process ID.
 Then it calls \fBupdwtmp\fR() to append the structure to the utmp file.