diff --git a/doc/content-for-reference.html b/doc/content-for-reference.html
index fc53661d2..3c7b973db 100644
--- a/doc/content-for-reference.html
+++ b/doc/content-for-reference.html
@@ -602,8 +602,8 @@ POKI_RUN_COMMAND{{head -n 20 data/multicountdown.dat | mlr --opprint sort -f col
 <p/>Any records not having all specified sort keys will appear at the end of the output, in the order they
 were encountered, regardless of sort order:
 
-POKI_RUN_COMMAND{{mlr sort -n  x data/sort-het.dkvp}}HERE
-POKI_RUN_COMMAND{{mlr sort -nr x data/sort-het.dkvp}}HERE
+POKI_RUN_COMMAND{{mlr sort -n  x data/sort-missing.dkvp}}HERE
+POKI_RUN_COMMAND{{mlr sort -nr x data/sort-missing.dkvp}}HERE
 
 <!-- ================================================================ -->
 <h2>stats1</h2>
diff --git a/doc/data/sort-het.dkvp b/doc/data/sort-het.dkvp
index 0896145f4..e4bc52e47 100644
--- a/doc/data/sort-het.dkvp
+++ b/doc/data/sort-het.dkvp
@@ -1,4 +1,7 @@
-x=2
-a=3
-x=4
-x=1
+count=500,color=green
+count=600
+status=ok,count=250,hours=0.22
+status=ok,count=200,hours=3.4
+count=300,color=blue
+count=100,color=green
+count=450
diff --git a/doc/record-heterogeneity.html b/doc/record-heterogeneity.html
index 86d5bb113..a3d490d93 100644
--- a/doc/record-heterogeneity.html
+++ b/doc/record-heterogeneity.html
@@ -300,10 +300,13 @@ vary, and moreover the sorted-on field name(s) don&rsquo;t need to be in the sam
 <div class="pokipanel">
 <pre>
 $ cat data/sort-het.dkvp
-x=2
-a=3
-x=4
-x=1
+count=500,color=green
+count=600
+status=ok,count=250,hours=0.22
+status=ok,count=200,hours=3.4
+count=300,color=blue
+count=100,color=green
+count=450
 </pre>
 </div>
 <p/>
@@ -312,10 +315,13 @@ x=1
 <div class="pokipanel">
 <pre>
 $ mlr sort -n count data/sort-het.dkvp
-x=2
-a=3
-x=4
-x=1
+count=100,color=green
+status=ok,count=200,hours=3.4
+status=ok,count=250,hours=0.22
+count=300,color=blue
+count=450
+count=500,color=green
+count=600
 </pre>
 </div>
 <p/>
diff --git a/doc/reference.html b/doc/reference.html
index f862f1f48..5f0dcf4ac 100644
--- a/doc/reference.html
+++ b/doc/reference.html
@@ -1895,12 +1895,12 @@ upsec              color  count
 <p/>
 
 <p/>Any records not having all specified sort keys will appear at the end of the output, in the order they
-were encountered, regardless of sort order.
+were encountered, regardless of sort order:
 
 <p/>
 <div class="pokipanel">
 <pre>
-$ mlr sort -n  x data/sort-het.dkvp
+$ mlr sort -n  x data/sort-missing.dkvp
 x=1
 x=2
 x=4
@@ -1911,7 +1911,7 @@ a=3
 <p/>
 <div class="pokipanel">
 <pre>
-$ mlr sort -nr x data/sort-het.dkvp
+$ mlr sort -nr x data/sort-missing.dkvp
 x=4
 x=2
 x=1