diff --git a/man2/semctl.2 b/man2/semctl.2
index 6bccaa3d9..bcc4091ab 100644
--- a/man2/semctl.2
+++ b/man2/semctl.2
@@ -269,7 +269,7 @@ The system call returns the value of
 for the
 .IR semnum \-th
 semaphore of the set
-(i.e. the PID of the process that executed the last
+(i.e., the PID of the process that executed the last
 .BR semop (2)
 call for the
 .IR semnum \-th
@@ -291,7 +291,7 @@ The system call returns the value of
 this semaphore to become zero) for the
 .IR semnum \-th
 semaphore of the set
-(i.e. the number of processes waiting for
+(i.e., the number of processes waiting for
 .B semval
 of the
 .IR semnum \-th
diff --git a/man3/fwide.3 b/man3/fwide.3
index 4d6c6fb1d..d65cae64b 100644
--- a/man3/fwide.3
+++ b/man3/fwide.3
@@ -38,7 +38,7 @@ It returns a positive value if \fIstream\fP is
 wide-character oriented, that is, if wide-character I/O is permitted but char
 I/O is disallowed.
 It returns a negative value if \fIstream\fP is byte oriented,
-i.e. if char I/O is permitted but wide-character I/O is disallowed.
+i.e., if char I/O is permitted but wide-character I/O is disallowed.
 It
 returns zero if \fIstream\fP has no orientation yet; in this case the next
 I/O operation might change the orientation (to byte oriented if it is a char
diff --git a/man5/networks.5 b/man5/networks.5
index b982c593b..37b524d76 100644
--- a/man5/networks.5
+++ b/man5/networks.5
@@ -65,7 +65,7 @@ and
 .BR netstat (8)
 utilities.
 Only Class A, B or C networks are supported, partitioned networks
-(i.e. network/26 or network/28) are not supported by this facility.
+(i.e., network/26 or network/28) are not supported by this facility.
 .SH FILES
 .TP
 .I /etc/networks
diff --git a/man8/ld.so.8 b/man8/ld.so.8
index 40e367130..2bc77ba08 100644
--- a/man8/ld.so.8
+++ b/man8/ld.so.8
@@ -195,7 +195,7 @@ is ignored for set-user-ID/set-group-ID binaries.
 (glibc since 2.1)
 If set to a non-empty string,
 output symbol versioning information about the
-program if querying information about the program (i.e. either
+program if querying information about the program (i.e., either
 .B LD_TRACE_LOADED_OBJECTS
 has been set, or
 .B \-\-list