diff --git a/sohstationviewer/model/reftek/log_info.py b/sohstationviewer/model/reftek/log_info.py
index 9c4de553598412d675ef91e99a288ea83295c629..c6f50e73ea21ae6923154774a4b5fea2826381ca 100644
--- a/sohstationviewer/model/reftek/log_info.py
+++ b/sohstationviewer/model/reftek/log_info.py
@@ -206,7 +206,7 @@ class LogInfo():
     def read_dsp_clock_diff(self, line: str
                             ) -> Union[bool, Tuple[float, float]]:
         """
-        Read DPS clock difference
+        Read DSP clock difference
         :param line: str - a line of evt message
         :return epoch: float - time when info is recorded
         :return total: float - total difference time in milliseconds