diff --git a/vlib/picoev/loop_default.c.v b/vlib/picoev/loop_default.c.v
index 2f366d5586..6f880b9b1f 100644
--- a/vlib/picoev/loop_default.c.v
+++ b/vlib/picoev/loop_default.c.v
@@ -15,14 +15,14 @@ mut:
 
 type LoopType = SelectLoop
 
-// create_select_loop creates a new `SelectLoop` struct with the given `id`
+// create_select_loop creates a new `SelectLoop` struct with the given `id`.
 pub fn create_select_loop(id int) !&SelectLoop {
 	return &SelectLoop{
 		id: id
 	}
 }
 
-// updates the events associated with a file descriptor in the event loop
+// updates the events associated with a file descriptor in the event loop.
 @[direct_array_access]
 fn (mut pv Picoev) update_events(fd int, events int) int {
 	// check if fd is in range
@@ -32,7 +32,7 @@ fn (mut pv Picoev) update_events(fd int, events int) int {
 	return 0
 }
 
-// performs a single iteration of the select-based event loop
+// performs a single iteration of the select-based event loop.
 @[direct_array_access]
 fn (mut pv Picoev) poll_once(max_wait_in_sec int) int {
 	// Initializes sets for read, write, and error events
diff --git a/vlib/picoev/loop_freebsd.c.v b/vlib/picoev/loop_freebsd.c.v
index 394a4e070d..237d0618aa 100644
--- a/vlib/picoev/loop_freebsd.c.v
+++ b/vlib/picoev/loop_freebsd.c.v
@@ -34,7 +34,7 @@ mut:
 
 type LoopType = KqueueLoop
 
-// create_kqueue_loop creates a new kernel event queue with loop_id=`id`
+// create_kqueue_loop creates a new kernel event queue with loop_id=`id`.
 pub fn create_kqueue_loop(id int) !&KqueueLoop {
 	mut loop := &KqueueLoop{
 		id: id
@@ -48,7 +48,7 @@ pub fn create_kqueue_loop(id int) !&KqueueLoop {
 	return loop
 }
 
-// ev_set sets a new `kevent` with file descriptor `index`
+// ev_set sets a new `kevent` with file descriptor `index`.
 @[inline]
 pub fn (mut pv Picoev) ev_set(index int, operation int, events int) {
 	mut filter := 0
@@ -65,26 +65,26 @@ pub fn (mut pv Picoev) ev_set(index int, operation int, events int) {
 }
 
 // backend_build uses the lower 8 bits to store the old events and the higher 8
-// bits to store the next file descriptor in `Target.backend`
+// bits to store the next file descriptor in `Target.backend`.
 @[inline]
 fn backend_build(next_fd int, events u32) int {
 	return int((u32(next_fd) << 8) | (events & 0xff))
 }
 
-// get the lower 8 bits
+// get the lower 8 bits.
 @[inline]
 fn backend_get_old_events(backend int) int {
 	return backend & 0xff
 }
 
-// get the higher 8 bits
+// get the higher 8 bits.
 @[inline]
 fn backend_get_next_fd(backend int) int {
 	return backend >> 8
 }
 
 // apply pending processes all changes for the file descriptors and updates `loop.changelist`
-// if `aplly_all` is `true` the changes are immediately applied
+// if `aplly_all` is `true` the changes are immediately applied.
 fn (mut pv Picoev) apply_pending_changes(apply_all bool) int {
 	mut total, mut nevents := 0, 0
 
diff --git a/vlib/picoev/loop_linux.c.v b/vlib/picoev/loop_linux.c.v
index 8a9465df9b..414491a77c 100644
--- a/vlib/picoev/loop_linux.c.v
+++ b/vlib/picoev/loop_linux.c.v
@@ -36,8 +36,8 @@ mut:
 
 type LoopType = EpollLoop
 
-// create_epoll_loop creates a new epoll instance for and returns an
-// `EpollLoop` struct with `id`
+// create_epoll_loop creates a new epoll instance and returns an
+// `EpollLoop` struct with `id`.
 pub fn create_epoll_loop(id int) !&EpollLoop {
 	mut loop := &EpollLoop{
 		id: id
@@ -51,6 +51,7 @@ pub fn create_epoll_loop(id int) !&EpollLoop {
 	return loop
 }
 
+// updates the events associated with a file descriptor in the event loop.
 @[direct_array_access]
 fn (mut pv Picoev) update_events(fd int, events int) int {
 	// check if fd is in range
@@ -103,6 +104,7 @@ fn (mut pv Picoev) update_events(fd int, events int) int {
 	return 0
 }
 
+// performs a single iteration of the select-based event loop.
 @[direct_array_access]
 fn (mut pv Picoev) poll_once(max_wait_in_sec int) int {
 	nevents := C.epoll_wait(pv.loop.epoll_fd, &pv.loop.events[0], max_fds, max_wait_in_sec * 1000)
diff --git a/vlib/picoev/loop_macos.c.v b/vlib/picoev/loop_macos.c.v
index 394a4e070d..00d2c999d2 100644
--- a/vlib/picoev/loop_macos.c.v
+++ b/vlib/picoev/loop_macos.c.v
@@ -34,7 +34,7 @@ mut:
 
 type LoopType = KqueueLoop
 
-// create_kqueue_loop creates a new kernel event queue with loop_id=`id`
+// create_kqueue_loop creates a new kernel event queue with loop_id=`id`.
 pub fn create_kqueue_loop(id int) !&KqueueLoop {
 	mut loop := &KqueueLoop{
 		id: id
@@ -48,7 +48,7 @@ pub fn create_kqueue_loop(id int) !&KqueueLoop {
 	return loop
 }
 
-// ev_set sets a new `kevent` with file descriptor `index`
+// ev_set sets a new `kevent` with file descriptor `index`.
 @[inline]
 pub fn (mut pv Picoev) ev_set(index int, operation int, events int) {
 	mut filter := 0
@@ -65,26 +65,26 @@ pub fn (mut pv Picoev) ev_set(index int, operation int, events int) {
 }
 
 // backend_build uses the lower 8 bits to store the old events and the higher 8
-// bits to store the next file descriptor in `Target.backend`
+// bits to store the next file descriptor in `Target.backend`.
 @[inline]
 fn backend_build(next_fd int, events u32) int {
 	return int((u32(next_fd) << 8) | (events & 0xff))
 }
 
-// get the lower 8 bits
+// get the lower 8 bits.
 @[inline]
 fn backend_get_old_events(backend int) int {
 	return backend & 0xff
 }
 
-// get the higher 8 bits
+// get the higher 8 bits.
 @[inline]
 fn backend_get_next_fd(backend int) int {
 	return backend >> 8
 }
 
 // apply pending processes all changes for the file descriptors and updates `loop.changelist`
-// if `aplly_all` is `true` the changes are immediately applied
+// if `aplly_all` is `true` the changes are immediately applied.
 fn (mut pv Picoev) apply_pending_changes(apply_all bool) int {
 	mut total, mut nevents := 0, 0
 
@@ -123,6 +123,7 @@ fn (mut pv Picoev) apply_pending_changes(apply_all bool) int {
 	return total
 }
 
+// updates the events associated with a file descriptor in the event loop.
 @[direct_array_access]
 fn (mut pv Picoev) update_events(fd int, events int) int {
 	// check if fd is in range
@@ -157,6 +158,7 @@ fn (mut pv Picoev) update_events(fd int, events int) int {
 	return 0
 }
 
+// performs a single iteration of the select-based event loop.
 @[direct_array_access]
 fn (mut pv Picoev) poll_once(max_wait_in_sec int) int {
 	ts := C.timespec{
diff --git a/vlib/picoev/loop_openbsd.c.v b/vlib/picoev/loop_openbsd.c.v
index 394a4e070d..1ef6bb0b4a 100644
--- a/vlib/picoev/loop_openbsd.c.v
+++ b/vlib/picoev/loop_openbsd.c.v
@@ -34,7 +34,7 @@ mut:
 
 type LoopType = KqueueLoop
 
-// create_kqueue_loop creates a new kernel event queue with loop_id=`id`
+// create_kqueue_loop creates a new kernel event queue with loop_id=`id`.
 pub fn create_kqueue_loop(id int) !&KqueueLoop {
 	mut loop := &KqueueLoop{
 		id: id
@@ -48,7 +48,7 @@ pub fn create_kqueue_loop(id int) !&KqueueLoop {
 	return loop
 }
 
-// ev_set sets a new `kevent` with file descriptor `index`
+// ev_set sets a new `kevent` with file descriptor `index`.
 @[inline]
 pub fn (mut pv Picoev) ev_set(index int, operation int, events int) {
 	mut filter := 0
@@ -65,7 +65,7 @@ pub fn (mut pv Picoev) ev_set(index int, operation int, events int) {
 }
 
 // backend_build uses the lower 8 bits to store the old events and the higher 8
-// bits to store the next file descriptor in `Target.backend`
+// bits to store the next file descriptor in `Target.backend`.
 @[inline]
 fn backend_build(next_fd int, events u32) int {
 	return int((u32(next_fd) << 8) | (events & 0xff))
@@ -84,7 +84,7 @@ fn backend_get_next_fd(backend int) int {
 }
 
 // apply pending processes all changes for the file descriptors and updates `loop.changelist`
-// if `aplly_all` is `true` the changes are immediately applied
+// if `aplly_all` is `true` the changes are immediately applied.
 fn (mut pv Picoev) apply_pending_changes(apply_all bool) int {
 	mut total, mut nevents := 0, 0
 
diff --git a/vlib/picoev/loop_termux.c.v b/vlib/picoev/loop_termux.c.v
index 8a9465df9b..414491a77c 100644
--- a/vlib/picoev/loop_termux.c.v
+++ b/vlib/picoev/loop_termux.c.v
@@ -36,8 +36,8 @@ mut:
 
 type LoopType = EpollLoop
 
-// create_epoll_loop creates a new epoll instance for and returns an
-// `EpollLoop` struct with `id`
+// create_epoll_loop creates a new epoll instance and returns an
+// `EpollLoop` struct with `id`.
 pub fn create_epoll_loop(id int) !&EpollLoop {
 	mut loop := &EpollLoop{
 		id: id
@@ -51,6 +51,7 @@ pub fn create_epoll_loop(id int) !&EpollLoop {
 	return loop
 }
 
+// updates the events associated with a file descriptor in the event loop.
 @[direct_array_access]
 fn (mut pv Picoev) update_events(fd int, events int) int {
 	// check if fd is in range
@@ -103,6 +104,7 @@ fn (mut pv Picoev) update_events(fd int, events int) int {
 	return 0
 }
 
+// performs a single iteration of the select-based event loop.
 @[direct_array_access]
 fn (mut pv Picoev) poll_once(max_wait_in_sec int) int {
 	nevents := C.epoll_wait(pv.loop.epoll_fd, &pv.loop.events[0], max_fds, max_wait_in_sec * 1000)
diff --git a/vlib/picoev/picoev.v b/vlib/picoev/picoev.v
index 480f70e3b3..48999ba488 100644
--- a/vlib/picoev/picoev.v
+++ b/vlib/picoev/picoev.v
@@ -4,29 +4,29 @@ import net
 import picohttpparser
 import time
 
-// maximum size of the event queue
+// maximum size of the event queue.
 pub const max_queue = 4096
 
-// event for incoming data ready to be read on a socket
+// event for incoming data ready to be read on a socket.
 pub const picoev_read = 1
 
-// event for socket ready for writing
+// event for socket ready for writing.
 pub const picoev_write = 2
 
-// event indicating a timeout has occurred
+// event indicating a timeout has occurred.
 pub const picoev_timeout = 4
 
-// flag for adding a file descriptor to the event loop
+// flag for adding a file descriptor to the event loop.
 pub const picoev_add = 0x40000000
 
-// flag for removing a file descriptor from the event loop
+// flag for removing a file descriptor from the event loop.
 pub const picoev_del = 0x20000000
 
-// event read/write
+// event read/write.
 pub const picoev_readwrite = 3
 
 // Target is a data representation of everything that needs to be associated with a single
-// file descriptor (connection)
+// file descriptor (connection).
 pub struct Target {
 pub mut:
 	fd      int // file descriptor
@@ -37,7 +37,7 @@ pub mut:
 	backend int
 }
 
-// Config configures the Picoev instance with server settings and callbacks
+// Config configures the Picoev instance with server settings and callbacks.
 pub struct Config {
 pub:
 	port         int = 8080
@@ -80,7 +80,7 @@ pub:
 	user_data voidptr = unsafe { nil }
 }
 
-// init fills the `file_descriptors` array
+// init fills the `file_descriptors` array.
 pub fn (mut pv Picoev) init() {
 	// assert max_fds > 0
 	pv.num_loops = 0
@@ -89,7 +89,7 @@ pub fn (mut pv Picoev) init() {
 	}
 }
 
-// add a file descriptor to the event loop
+// add a file descriptor to the event loop.
 @[direct_array_access]
 pub fn (mut pv Picoev) add(fd int, events int, timeout int, callback voidptr) int {
 	if pv == unsafe { nil } || fd < 0 || fd >= max_fds {
@@ -110,7 +110,7 @@ pub fn (mut pv Picoev) add(fd int, events int, timeout int, callback voidptr) in
 	return 0
 }
 
-// remove a file descriptor from the event loop
+// remove a file descriptor from the event loop.
 @[direct_array_access]
 pub fn (mut pv Picoev) delete(fd int) int {
 	if fd < 0 || fd >= max_fds {
@@ -146,7 +146,7 @@ fn (mut pv Picoev) loop_once(max_wait_in_sec int) int {
 }
 
 // set_timeout sets the timeout in seconds for a file descriptor. If a timeout occurs
-// the file descriptors target callback is called with a timeout event
+// the file descriptors target callback is called with a timeout event.
 @[direct_array_access; inline]
 fn (mut pv Picoev) set_timeout(fd int, secs int) {
 	assert fd < max_fds
@@ -159,7 +159,7 @@ fn (mut pv Picoev) set_timeout(fd int, secs int) {
 
 // handle_timeout loops over all file descriptors and removes them from the loop
 // if they are timed out. Also the file descriptors target callback is called with a
-// timeout event
+// timeout event.
 @[direct_array_access; inline]
 fn (mut pv Picoev) handle_timeout() {
 	mut to_remove := []int{}
@@ -176,7 +176,7 @@ fn (mut pv Picoev) handle_timeout() {
 	}
 }
 
-// accept_callback accepts a new connection from `listen_fd` and adds it to the event loop
+// accept_callback accepts a new connection from `listen_fd` and adds it to the event loop.
 fn accept_callback(listen_fd int, events int, cb_arg voidptr) {
 	mut pv := unsafe { &Picoev(cb_arg) }
 	accepted_fd := accept(listen_fd)
@@ -204,7 +204,7 @@ fn accept_callback(listen_fd int, events int, cb_arg voidptr) {
 	pv.add(accepted_fd, picoev_read, pv.timeout_secs, raw_callback)
 }
 
-// close_conn closes the socket `fd` and removes it from the loop
+// close_conn closes the socket `fd` and removes it from the loop.
 @[inline]
 pub fn (mut pv Picoev) close_conn(fd int) {
 	if pv.delete(fd) != 0 {
@@ -213,7 +213,7 @@ pub fn (mut pv Picoev) close_conn(fd int) {
 	close_socket(fd)
 }
 
-// raw_callback handles raw events (read, write, timeout) for a file descriptor
+// raw_callback handles raw events (read, write, timeout) for a file descriptor.
 @[direct_array_access]
 fn raw_callback(fd int, events int, context voidptr) {
 	mut pv := unsafe { &Picoev(context) }
@@ -299,7 +299,7 @@ fn default_error_callback(data voidptr, req picohttpparser.Request, mut res pico
 	res.end()
 }
 
-// new creates a `Picoev` struct and initializes the main loop
+// new creates a `Picoev` struct and initializes the main loop.
 pub fn new(config Config) !&Picoev {
 	listening_socket_fd := listen(config) or {
 		elog('Error during listen: ${err}')
@@ -340,7 +340,7 @@ pub fn new(config Config) !&Picoev {
 	return pv
 }
 
-// serve starts the event loop for accepting new connections
+// serve starts the event loop for accepting new connections.
 // See also picoev.new().
 pub fn (mut pv Picoev) serve() {
 	spawn update_date_string(mut pv)
@@ -349,7 +349,7 @@ pub fn (mut pv Picoev) serve() {
 	}
 }
 
-// update_date updates the date field of the Picoev instance every second for HTTP headers
+// update_date updates the date field of the Picoev instance every second for HTTP headers.
 fn update_date_string(mut pv Picoev) {
 	for {
 		// get GMT (UTC) time for the HTTP Date header
diff --git a/vlib/picoev/socket_util.c.v b/vlib/picoev/socket_util.c.v
index fad62987b1..1185922da6 100644
--- a/vlib/picoev/socket_util.c.v
+++ b/vlib/picoev/socket_util.c.v
@@ -87,7 +87,7 @@ fn fatal_socket_error(fd int) bool {
 	return true
 }
 
-// listen creates a listening tcp socket and returns its file descriptor
+// listen creates a listening tcp socket and returns its file descriptor.
 fn listen(config Config) !int {
 	// not using the `net` modules sockets, because not all socket options are defined
 	fd := C.socket(config.family, net.SocketType.tcp, 0)