Adjust documentation.

Author: dhebbeker

lib/application_business_rules/serial_interface/serial_port.hpp

@@ -33,7 +33,7 @@ void initialize();
 /**
  * Reads a line from serial port.
  * 
- * Interprets the end of line as `\n`.
+ * Expects the end of line to be `\n`.
  * It will wait for data for the duration of the timeout.
  * \returns an empty string in case no data is read
  */
@@ -42,7 +42,7 @@ String readLine();
 /**
  * Gets a line from serial port.
  * 
- * Interprets the end of line as `\n`.
+ * Expects the end of line to be `\n`.
  * \returns an object that does not contain a value in case no data is already available.
  */
 std::optional<String> getLine();