diff --git a/src/libCom/osi/epicsTime.cpp b/src/libCom/osi/epicsTime.cpp
index 9c35b5c0a..0e5a2c6a3 100644
--- a/src/libCom/osi/epicsTime.cpp
+++ b/src/libCom/osi/epicsTime.cpp
@@ -442,7 +442,7 @@ epicsTime::operator epicsTimeStamp () const
     // epicsTimeStamp::secPastEpoch is based on epicsUInt32 so that it will 
     // match the original network protocol. Of course one can anticipate
     // that eventually, a epicsUInt64 based network time stamp will be 
-    // introduced when 64 bit archectures are more ubiquitous.
+    // introduced when 64 bit architectures are more ubiquitous.
     //
     // Truncation usually works fine here because the routines in this code
     // that compute time stamp differences and compare time stamps produce