fix typos

api/shellmatta.h

@@ -28,7 +28,7 @@
 
 /*
  * Define the printf format specifier for all GCC versions > 3.3
- * This will let the compiler know that shelmatta_printf() is a function taking printf-like format specifiers.
+ * This will let the compiler know that shellmatta_printf() is a function taking printf-like format specifiers.
  */
 #ifndef SHELLMATTA_ATTR_FORMAT
 #   if ((__GNUC__ > 3) || ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)))

python_driver/shellmatta_transport_serial.py

@@ -8,7 +8,7 @@ from robot.api import logger
 
 
 class ShellmattaSerial():
-    """ Helper class to communicate with a shelmatta enabled device """
+    """ Helper class to communicate with a shellmatta enabled device """
 
 
     def __init__(self, com_port, baudrate=115200, prompt="->", timeout=1, transport_layer_mandatory=False):