diff --git a/src/AmptekHardwareInterface.cpp b/src/AmptekHardwareInterface.cpp
index 44c92da50481bf7138d70436550b16415fd441b9..23bbb799dabda34a15eaa4530ce168b9013fe363 100644
--- a/src/AmptekHardwareInterface.cpp
+++ b/src/AmptekHardwareInterface.cpp
@@ -181,7 +181,7 @@ bool AmptekHardwareInterface::ClearSpectrum(){
  * or any other mode that temporarily blockes the MCA. Therefore, accumulation time is larger than the real measurement duration
  * 
  * @see SetPresetAccumulationTime, SetPresetRealTime, SetPresetCounts
- * @param t accumulation time in seconds. Minimum is 0.1. If below zero, the accumulation time is not part of the stop condition during acquisition
+ * @param t accumulation time in seconds. Minimum is 0.1s. If below or equal zero, the accumulation time is not part of the stop condition during acquisition
  * @return true on success
  * @return false on failure
  */
@@ -202,7 +202,7 @@ bool AmptekHardwareInterface::SetPresetAccumulationTime(double t){
  * @brief Set the real time for a measurement. The detector will stop automatically when the duration is reached
  * 
  * @see SetPresetAccumulationTime, SetPresetRealTime, SetPresetCounts
- * @param t real time in seconds. If below zero, the real time is not part of the stop condition during acquisition
+ * @param t real time in seconds. Minimum is 10ms. If below or equal zero, the real time is not part of the stop condition during acquisition
  * @return true on success
  * @return false on failure
  */
@@ -210,7 +210,7 @@ bool AmptekHardwareInterface::SetPresetRealTime(double t){
     std::stringstream cmd_stream;
     cmd_stream << "PRER=";
     if (t>0){
-        cmd_stream <<  std::fixed << std::setprecision(1) << t;
+        cmd_stream <<  std::fixed << std::setprecision(2) << t;
     }
     else{
         cmd_stream << "OFF";