I2CTester: fix dosc

Author: maciejbocianski

components/testing/COMPONENT_FPGA_CI_TEST_SHIELD/I2CTester.h

@@ -76,9 +76,9 @@ class I2CTester: public MbedTester {
     uint32_t get_receive_checksum();
 
     /**
-     * Read a checksum of data read from the tester
+     * Read a checksum the tester calculated for data it has already sent
      *
-     * @return The sum of all bytes read from the tester since reset
+     * @return The sum of all bytes the tester has sent since reset
      */
     uint32_t get_send_checksum();