diff --git a/documentation/pvDataCPP.html b/documentation/pvDataCPP.html
index 6ac2253..46d6f3e 100644
--- a/documentation/pvDataCPP.html
+++ b/documentation/pvDataCPP.html
@@ -657,7 +657,7 @@ ev4:nt/NTUnio:1.0
 </pre>
 This produces:
 <pre>
-ev4:nt/NTUnio:1.0
+ev4:nt/NTUnion:1.0
     any value
         time_t
             long secondsPastEpoch 1000
@@ -672,7 +672,7 @@ ev4:nt/NTUnio:1.0
         int nanoseconds 0
         int userTag 0
 0x60a2c8
-ev4:nt/NTUnio:1.0
+ev4:nt/NTUnion:1.0
     any value
         double  100000
     alarm_t alarm
@@ -732,7 +732,7 @@ ev4:nt/NTUnio:1.0
 This produces:
 <pre>
 introspection
-ev4:nt/NTUnio:1.0
+ev4:nt/NTUnion:1.0
     union value
         double doubleValue
         double[] doubleArrayValue