Fix typos

Author: per1234

README.adoc

@@ -4,10 +4,10 @@
 
 = {repository-name} Library for Arduino =
 
-This library enables an Arduino MKR NB 1500 board to: connect to the internet over a NarrowBand IoT or LTE Cat M1 network. 
 image:https://github.com/{repository-owner}/{repository-name}/workflows/Compile%20Examples/badge.svg["Compile Examples Status", link="https://github.com/{repository-owner}/{repository-name}/actions?workflow=Compile+Examples"]
 image:https://github.com/{repository-owner}/{repository-name}/workflows/Spell%20Check/badge.svg["Spell Check Status", link="https://github.com/{repository-owner}/{repository-name}/actions?workflow=Spell+Check"]
 
+This library enables an Arduino MKR NB 1500 board to connect to the internet over a NarrowBand IoT or LTE Cat M1 network. 
 
 For more information about this library please visit us at
 https://www.arduino.cc/en/Reference/{repository-name}
@@ -28,4 +28,4 @@ Lesser General Public License for more details.
 
 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

examples/GPRSUdpNtpClient/GPRSUdpNtpClient.ino

@@ -3,7 +3,7 @@
   Udp NTP Client
 
   Get the time from a Network Time Protocol (NTP) time server
-  Demonstrates use of UDP sendPacket and ReceivePacket
+  Demonstrates use of UDP write and parsePacket
   For more on NTP time servers and the messages needed to communicate with them,
   see http://en.wikipedia.org/wiki/Network_Time_Protocol
 
@@ -81,7 +81,7 @@ void loop()
     Udp.read(packetBuffer, NTP_PACKET_SIZE); // read the packet into the buffer
 
     //the timestamp starts at byte 40 of the received packet and is four bytes,
-    // or two words, long. First, esxtract the two words:
+    // or two words, long. First, extract the two words:
 
     unsigned long highWord = word(packetBuffer[40], packetBuffer[41]);
     unsigned long lowWord = word(packetBuffer[42], packetBuffer[43]);

examples/Tools/NBScanNetworks/NBScanNetworks.ino

@@ -75,7 +75,7 @@ void loop() {
   Serial.print("Current carrier: ");
   Serial.println(scannerNetworks.getCurrentCarrier());
 
-  // returns strength and ber
+  // returns strength and BER
   // signal strength in 0-31 scale. 31 means power > 51dBm
   // BER is the Bit Error Rate. 0-7 scale. 99=not detectable
   Serial.print("Signal Strength: ");

examples/Tools/PinManagement/PinManagement.ino

@@ -74,7 +74,7 @@ void setup() {
       Serial.println("PIN and PUK locked. Use PIN2/PUK2 in a mobile phone.");
       while (true);
     } else {
-      // SIM does not requires authetication
+      // SIM does not requires authentication
       Serial.println("No pin necessary.");
       auth = true;
     }
@@ -97,13 +97,13 @@ void setup() {
 
 void loop() {
   // Function loop implements pin management user menu
-  // Only if you SIM use pin lock, you can change PIN code
-  // user_op variables save user option
+  // You can only change PIN code if your SIM uses pin lock
 
   Serial.println("Choose an option:\n1 - On/Off PIN.");
   if (PINManager.getPINUsed()) {
     Serial.println("2 - Change PIN.");
   }
+  // save user input to user_op variable
   String user_op = readSerial();
   if (user_op == "1") {
     Serial.println("Enter your PIN code:");
@@ -124,7 +124,7 @@ void loop() {
 }
 
 /*
-  Read input serial
+  Read serial input
  */
 String readSerial() {
   String text = "";

examples/Tools/SerialSARAPassthrough/SerialSARAPassthrough.ino

@@ -2,7 +2,7 @@
    SerialSARAPassthrough sketch
 
    This sketch allows you to send AT commands from the USB CDC serial port
-   of the MKR NB 1500 board to the onboard ublox SARA-R410 celluar module.
+   of the MKR NB 1500 board to the onboard ublox SARA-R410 cellular module.
 
    For a list of supported AT commands see:
    https://www.u-blox.com/sites/default/files/u-blox-CEL_ATCommands_%28UBX-13002752%29.pdf

examples/Tools/TestGPRS/TestGPRS.ino

@@ -1,6 +1,6 @@
 /*
 
- This sketch test the MKR NB 1500 board's ability to connect to a
+ This sketch tests the MKR NB 1500 board's ability to connect to a
  GPRS network. It asks for APN information through the
  serial monitor and tries to connect to example.org.
 
@@ -35,7 +35,7 @@ char url[] = "example.org";
 char urlproxy[] = "http://example.org";
 char path[] = "/";
 
-// variable for save response obtained
+// variable to save obtained response
 String response = "";
 
 // use a proxy
@@ -75,7 +75,7 @@ void loop() {
     readSerial(proxy);
     Serial.println(proxy);
 
-    // if user introduced a proxy, asks him for proxy port
+    // if user introduced a proxy, asks them for proxy port
     int pport;
     if (proxy[0] != '\0') {
       // read proxy port introduced by user
@@ -103,7 +103,7 @@ void loop() {
       // make a HTTP 1.0 GET request (client sends the request)
       client.print("GET ");
 
-      // if use a proxy, the path is example.org URL
+      // if using a proxy, the path is example.org URL
       if (use_proxy) {
         client.print(urlproxy);
       } else {

examples/Tools/TestModem/TestModem.ino

@@ -53,7 +53,7 @@ void loop() {
     modem.begin();
     // get and check IMEI one more time
     if (modem.getIMEI() != NULL) {
-      Serial.println("Modem is functoning properly");
+      Serial.println("Modem is functioning properly");
     } else {
       Serial.println("Error: getIMEI() failed after modem.begin()");
     }

src/NB.h

@@ -41,7 +41,7 @@ class NB {
                          start-up. If it is running, it will restart. Takes up to 10
                          seconds
       @param synchronous If TRUE the call only returns after the Start is complete
-                         or fails. If FALSE the call will return inmediately. You have
+                         or fails. If FALSE the call will return immediately. You have
                          to call repeatedly ready() until you get a result. Default is TRUE.
       @return If synchronous, NB_NetworkStatus_t. If asynchronous, returns 0.
     */

src/NBPIN.cpp

@@ -82,7 +82,7 @@ void NBPIN::changePIN(String old, String pin)
 {
   MODEM.sendf("AT+CPWD=\"SC\",\"%s\",\"%s\"", old.c_str(), pin.c_str());
   if (MODEM.waitForResponse(10000) == 1) {
-    Serial.println("Pin changed succesfully.");
+    Serial.println("Pin changed successfully.");
   } else {
     Serial.println("ERROR");
   }

src/NB_SMS.h

@@ -80,7 +80,7 @@ class NB_SMS : public Stream {
    */
   int peek();
 
-  /** Delete the SMS from Modem memory and proccess answer
+  /** Delete the SMS from Modem memory and process answer
    */
   void flush();