diff --git a/src/asynStreamGeneratorDriver.cpp b/src/asynStreamGeneratorDriver.cpp
index 5ba860b..86a55aa 100644
--- a/src/asynStreamGeneratorDriver.cpp
+++ b/src/asynStreamGeneratorDriver.cpp
@@ -350,6 +350,13 @@ asynStatus asynStreamGeneratorDriver::writeInt32(asynUser *pasynUser,
 void asynStreamGeneratorDriver::receiveUDP() {
 
     // TODO fix time overflows
+    // Regarding time overflow.
+    // * the header time stamp is 3 words, i.e. 48 bits.
+    // * it has a resolution of 100ns
+    // * so we can cover a maximum of (2^(3*16) - 1) * 1e-7 = 28147497 seconds
+    // * or about 325 days
+    // * so maybe this isn't necessary to solve, as long as we restart the
+    //   electronics at least once a year...
 
     const char *functionName = "receiveUDP";
     asynStatus status = asynSuccess;
@@ -482,7 +489,8 @@ void asynStreamGeneratorDriver::processEvents() {
     size_t countDiffsPtr = 0;
     epicsInt32 *rates = new epicsInt32[this->num_channels];
     epicsInt32 *countDiff = new epicsInt32[this->num_channels];
-    epicsInt32 *countDiffs = new epicsInt32[this->num_channels * rateAverageWindow];
+    epicsInt32 *countDiffs =
+        new epicsInt32[this->num_channels * rateAverageWindow];
     uint64_t *timeSpans = new uint64_t[this->num_channels];
     epicsTimeStamp lastRateUpdate = epicsTime::getCurrent();
 
@@ -616,25 +624,27 @@ void asynStreamGeneratorDriver::processEvents() {
         // Careful changing any of these magic numbers until I clean this up
         // as you might end up calculating the wrong rate
         epicsTimeStamp currentTime = epicsTime::getCurrent();
-        if (epicsTimeDiffInNS(&currentTime, &lastRateUpdate) > minRateSamplePeriod) {
-            timeSpans[countDiffsPtr] = epicsTimeDiffInNS(&currentTime, &lastRateUpdate);
+        if (epicsTimeDiffInNS(&currentTime, &lastRateUpdate) >
+            minRateSamplePeriod) {
+            timeSpans[countDiffsPtr] =
+                epicsTimeDiffInNS(&currentTime, &lastRateUpdate);
 
-	    uint64_t totalTime = 0;
-	    for (size_t i = 0; i <= rateAverageWindow; ++i) {
-		totalTime += timeSpans[i];
-	    }
+            uint64_t totalTime = 0;
+            for (size_t i = 0; i <= rateAverageWindow; ++i) {
+                totalTime += timeSpans[i];
+            }
 
             lastRateUpdate = currentTime;
 
             for (size_t i = 0; i <= this->num_channels; ++i) {
-                countDiffs[i * rateAverageWindow + countDiffsPtr] = countDiff[i];
+                countDiffs[i * rateAverageWindow + countDiffsPtr] =
+                    countDiff[i];
 
                 uint64_t cnt = 0;
                 for (size_t j = 0; j <= rateAverageWindow; ++j) {
                     cnt += countDiffs[i * rateAverageWindow + j];
                 }
-                rates[i] =
-                    cnt / (totalTime * 1e-9);
+                rates[i] = cnt / (totalTime * 1e-9);
 
                 countDiff[i] = 0;
             }