diff --git a/docs/Prevent_Tracking.txt b/docs/Prevent_Tracking.txt
index 86402110..a641f02c 100644
--- a/docs/Prevent_Tracking.txt
+++ b/docs/Prevent_Tracking.txt
@@ -119,7 +119,8 @@ announce response packet:
 encrypted with the DHT private key of Node D, the public key in the request and the nonce:[[uint8_t is_stored]
 [(32 bytes) ping_id if is_stored is 0 or 2, public key that must be used to send data packets if is_stored is 1][Node_Format * (maximum of 8)]]
 (if the is_stored is not 0, it means the information to reach the client id we are searching for is stored on this node)
-is_stored is 2 as a response to a peer trying to announce himself to tell the peer that he is currently annouced successfully.
+is_stored is 2 as a response to a peer trying to announce himself to tell the
+peer that he is currently announced successfully.
 
 data to route response packet:
 [uint8_t packet id (134)][nonce][temporary just generated public key]
diff --git a/docs/Tox_middle_level_network_protocol.txt b/docs/Tox_middle_level_network_protocol.txt
index ff894246..ca561474 100644
--- a/docs/Tox_middle_level_network_protocol.txt
+++ b/docs/Tox_middle_level_network_protocol.txt
@@ -43,13 +43,13 @@ cookie request packet:
 bytes)][Encrypted message containing: [Senders real public key (32 
 bytes)][padding (32 bytes)][uint64_t number (must be sent 
 back untouched in cookie response)]]
-Encrypted message is encrypted with sender DHT private key, recievers DHT 
+Encrypted message is encrypted with sender DHT private key, receivers DHT
 public key and the nonce.
 
 cookie response packet:
 [uint8_t 25][Random nonce (24 bytes)][Encrypted message containing: 
 [Cookie][uint64_t number (that was sent in the request)]]
-Encrypted message is encrypted with sender DHT private key, recievers DHT 
+Encrypted message is encrypted with sender DHT private key, receivers DHT
 public key and the nonce.
 
 The Cookie should be basically:
@@ -110,11 +110,11 @@ packet request packet: [uint8_t (1)][uint8_t num][uint8_t num][uint8_t
 num]...[uint8_t num]
 
 the list of nums are a list of packet numbers the other is requesting.
-to get the real packet numbers from this list take the recvbuffers buffer_start 
-from the packet, substract 1 to it and put it in packet_num then start from the 
-beggining of the num list: if num is zero, add 255 to packet_num then do the 
-next num. if num isn't zero, add its value to packet_num, note that the other 
-has requested we send this packet again to them then continue to the next num in 
-the list. 
+to get the real packet numbers from this list take the recvbuffers buffer_start
+from the packet, subtract 1 to it and put it in packet_num then start from the
+beginning of the num list: if num is zero, add 255 to packet_num then do the
+next num. if num isn't zero, add its value to packet_num, note that the other
+has requested we send this packet again to them then continue to the next num in
+the list.
 
 
diff --git a/other/bootstrap_daemon/tox-bootstrapd.c b/other/bootstrap_daemon/tox-bootstrapd.c
index a5d1c525..e4cadb35 100644
--- a/other/bootstrap_daemon/tox-bootstrapd.c
+++ b/other/bootstrap_daemon/tox-bootstrapd.c
@@ -187,7 +187,7 @@ void parse_tcp_relay_ports_config(config_t *cfg, uint16_t **tcp_relay_ports, int
         config_setting_t *elem = config_setting_get_elem(ports_array, i);
 
         if (elem == NULL) {
-            // it's NULL if `ports_array` is not an array (we have that check ealier) or if `i` is out of range, which should not be
+            // it's NULL if `ports_array` is not an array (we have that check earlier) or if `i` is out of range, which should not be
             syslog(LOG_WARNING, "Port #%d: Something went wrong while parsing the port. Stopping reading ports.\n", i);
             break;
         }
diff --git a/toxav/msi.c b/toxav/msi.c
index 91742c35..dad32afe 100644
--- a/toxav/msi.c
+++ b/toxav/msi.c
@@ -618,7 +618,7 @@ static void *timer_poll( void *arg )
                     LOGGER_ERROR("Failed to execute timer at: %d!", handler->timers[0]->timeout);
                     free(args);
                 } else {
-                    LOGGER_DEBUG("Exectued timer assigned at: %d", handler->timers[0]->timeout);
+                    LOGGER_DEBUG("Executed timer assigned at: %d", handler->timers[0]->timeout);
                 }
 
                 timer_release(handler, handler->timers[0]->idx, 0);
@@ -1436,7 +1436,7 @@ static void msi_handle_packet ( Messenger *messenger, int source, const uint8_t
     MSIMessage *msg;
 
     if ( !length ) {
-        LOGGER_WARNING("Lenght param negative");
+        LOGGER_WARNING("Length param negative");
         return;
     }
 
diff --git a/toxav/toxav.c b/toxav/toxav.c
index cd0ec70e..7cba031e 100644
--- a/toxav/toxav.c
+++ b/toxav/toxav.c
@@ -230,7 +230,7 @@ void toxav_register_callstate_callback ( ToxAv *av, ToxAVCallback callback, ToxA
 }
 
 /**
- * @brief Register callback for recieving audio data
+ * @brief Register callback for receiving audio data
  *
  * @param callback The callback
  * @return void
@@ -243,7 +243,7 @@ void toxav_register_audio_recv_callback (ToxAv *av, void (*callback)(ToxAv *, in
 }
 
 /**
- * @brief Register callback for recieving video data
+ * @brief Register callback for receiving video data
  *
  * @param callback The callback
  * @return void
@@ -1091,7 +1091,7 @@ void toxav_handle_packet(RTPSession *_session, RTPMessage *_msg)
         if (i == 0) {
             /* piece of current frame */
         } else if (i > 0 && i < 128) {
-            /* recieved a piece of a frame ahead, flush current frame and start reading this new frame */
+            /* received a piece of a frame ahead, flush current frame and start reading this new frame */
             DECODE_PACKET *p = malloc(sizeof(DECODE_PACKET) + call->frame_limit);
 
             if (p) {
diff --git a/toxav/toxav.h b/toxav/toxav.h
index e31c7aad..34c8be5d 100644
--- a/toxav/toxav.h
+++ b/toxav/toxav.h
@@ -167,7 +167,7 @@ void toxav_kill(ToxAv *av);
 void toxav_register_callstate_callback (ToxAv *av, ToxAVCallback callback, ToxAvCallbackID id, void *userdata);
 
 /**
- * @brief Register callback for recieving audio data
+ * @brief Register callback for receiving audio data
  *
  * @param av Handler.
  * @param callback The callback
@@ -177,7 +177,7 @@ void toxav_register_audio_recv_callback (ToxAv *av, void (*callback)(ToxAv *, in
         void *user_data);
 
 /**
- * @brief Register callback for recieving video data
+ * @brief Register callback for receiving video data
  *
  * @param av Handler.
  * @param callback The callback
diff --git a/toxcore/Messenger.c b/toxcore/Messenger.c
index 7ea89ea6..930ad67c 100644
--- a/toxcore/Messenger.c
+++ b/toxcore/Messenger.c
@@ -1949,7 +1949,7 @@ static void check_friend_request_timed_out(Messenger *m, uint32_t i, uint64_t t)
 
     if (f->friendrequest_lastsent + f->friendrequest_timeout < t) {
         set_friend_status(m, i, FRIEND_ADDED);
-        /* Double the default timeout everytime if friendrequest is assumed
+        /* Double the default timeout every time if friendrequest is assumed
          * to have been sent unsuccessfully.
          */
         f->friendrequest_timeout *= 2;
diff --git a/toxcore/crypto_core.c b/toxcore/crypto_core.c
index 1799b600..32d07208 100644
--- a/toxcore/crypto_core.c
+++ b/toxcore/crypto_core.c
@@ -210,7 +210,7 @@ void new_nonce(uint8_t *nonce)
 
 /* Create a request to peer.
  * send_public_key and send_secret_key are the pub/secret keys of the sender.
- * recv_public_key is public key of reciever.
+ * recv_public_key is public key of receiver.
  * packet must be an array of MAX_CRYPTO_REQUEST_SIZE big.
  * Data represents the data we send with the request with length being the length of the data.
  * request_id is the id of the request (32 = friend request, 254 = ping request).
diff --git a/toxcore/crypto_core.h b/toxcore/crypto_core.h
index 7362d49e..f19a9790 100644
--- a/toxcore/crypto_core.h
+++ b/toxcore/crypto_core.h
@@ -129,7 +129,7 @@ void new_nonce(uint8_t *nonce);
 
 /* Create a request to peer.
  * send_public_key and send_secret_key are the pub/secret keys of the sender.
- * recv_public_key is public key of reciever.
+ * recv_public_key is public key of receiver.
  * packet must be an array of MAX_CRYPTO_REQUEST_SIZE big.
  * Data represents the data we send with the request with length being the length of the data.
  * request_id is the id of the request (32 = friend request, 254 = ping request).
diff --git a/toxcore/net_crypto.c b/toxcore/net_crypto.c
index 13b6625c..172e439b 100644
--- a/toxcore/net_crypto.c
+++ b/toxcore/net_crypto.c
@@ -657,7 +657,7 @@ static int generate_request_packet(uint8_t *data, uint16_t length, const Packets
 }
 
 /* Handle a request data packet.
- * Remove all the packets the other recieved from the array.
+ * Remove all the packets the other received from the array.
  *
  * return -1 on failure.
  * return number of requested packets on success.
@@ -1084,7 +1084,7 @@ static int send_kill_packet(Net_Crypto *c, int crypt_connection_id)
                                    &kill_packet, sizeof(kill_packet));
 }
 
-/* Handle a recieved data packet.
+/* Handle a received data packet.
  *
  * return -1 on failure.
  * return 0 on success.
@@ -1181,7 +1181,7 @@ static int handle_data_packet_helper(const Net_Crypto *c, int crypt_connection_i
     return 0;
 }
 
-/* Handle a packet that was recieved for the connection.
+/* Handle a packet that was received for the connection.
  *
  * return -1 on failure.
  * return 0 on success.
@@ -1387,7 +1387,7 @@ static int getcryptconnection_id_dht_pubkey(const Net_Crypto *c, const uint8_t *
 }
 
 /* Add a source to the crypto connection.
- * This is to be used only when we have recieved a packet from that source.
+ * This is to be used only when we have received a packet from that source.
  *
  *  return -1 on failure.
  *  return positive number on success.
@@ -1990,7 +1990,7 @@ int send_tcp_onion_request(Net_Crypto *c, const uint8_t *data, uint16_t length)
     return -1;
 }
 
-/* Set the function to be called when an onion response packet is recieved by one of the TCP connections.
+/* Set the function to be called when an onion response packet is received by one of the TCP connections.
  */
 void tcp_onion_response_handler(Net_Crypto *c, int (*tcp_onion_callback)(void *object, const uint8_t *data,
                                 uint16_t length), void *object)
@@ -2290,7 +2290,7 @@ static int udp_handle_packet(void *object, IP_Port source, const uint8_t *packet
     return 0;
 }
 
-/* The dT for the average packet recieving rate calculations.
+/* The dT for the average packet receiving rate calculations.
    Also used as the */
 #define PACKET_COUNTER_AVERAGE_INTERVAL 100
 
diff --git a/toxcore/net_crypto.h b/toxcore/net_crypto.h
index 054bcbb1..f43e74c2 100644
--- a/toxcore/net_crypto.h
+++ b/toxcore/net_crypto.h
@@ -56,7 +56,7 @@
    before giving up. */
 #define MAX_NUM_SENDPACKET_TRIES 8
 
-/* The timeout of no recieved UDP packets before the direct UDP connection is considered dead. */
+/* The timeout of no received UDP packets before the direct UDP connection is considered dead. */
 #define UDP_DIRECT_TIMEOUT (MAX_NUM_SENDPACKET_TRIES * CRYPTO_SEND_PACKET_INTERVAL * 2)
 
 #define PACKET_ID_PADDING 0
@@ -341,7 +341,7 @@ int add_tcp_relay_peer(Net_Crypto *c, int crypt_connection_id, IP_Port ip_port,
  */
 int add_tcp_relay(Net_Crypto *c, IP_Port ip_port, const uint8_t *public_key);
 
-/* Set the function to be called when an onion response packet is recieved by one of the TCP connections.
+/* Set the function to be called when an onion response packet is received by one of the TCP connections.
  */
 void tcp_onion_response_handler(Net_Crypto *c, int (*tcp_onion_callback)(void *object, const uint8_t *data,
                                 uint16_t length), void *object);
diff --git a/toxdns/toxdns.c b/toxdns/toxdns.c
index 7a7a052d..186ea82b 100644
--- a/toxdns/toxdns.c
+++ b/toxdns/toxdns.c
@@ -95,7 +95,7 @@ void tox_dns3_kill(void *dns3_object)
  * This is what the string returned looks like:
  * 4haaaaipr1o3mz0bxweox541airydbovqlbju51mb4p0ebxq.rlqdj4kkisbep2ks3fj2nvtmk4daduqiueabmexqva1jc
  *
- * returns length of string on sucess.
+ * returns length of string on success.
  * returns -1 on failure.
  */
 int tox_generate_dns3_string(void *dns3_object, uint8_t *string, uint16_t string_max_len, uint32_t *request_id,
diff --git a/toxdns/toxdns.h b/toxdns/toxdns.h
index a0cc323b..bbcbea80 100644
--- a/toxdns/toxdns.h
+++ b/toxdns/toxdns.h
@@ -61,7 +61,7 @@ void tox_dns3_kill(void *dns3_object);
  * This is what the string returned looks like:
  * 4haaaaipr1o3mz0bxweox541airydbovqlbju51mb4p0ebxq.rlqdj4kkisbep2ks3fj2nvtmk4daduqiueabmexqva1jc
  *
- * returns length of string on sucess.
+ * returns length of string on success.
  * returns -1 on failure.
  */
 int tox_generate_dns3_string(void *dns3_object, uint8_t *string, uint16_t string_max_len, uint32_t *request_id,