diff --git a/docs/coverage.html b/docs/coverage.html
index 7890823..a21c977 100644
--- a/docs/coverage.html
+++ b/docs/coverage.html
@@ -1670,9 +1670,9 @@
                         argSuffix = ""</span>
                 case WithPrefix:<span class="cov8" title="1">
                         // get random number for suffix
-                        randomIndexSuffix := g.RandProxy.Intn(len(allAVWords))
+                        randomIndexSuffix := g.RandProxy.Intn(len(allNWords))
                         // get random prefix word
-                        randomSuffix := allAVWords[randomIndexSuffix]
+                        randomSuffix := allNWords[randomIndexSuffix]
                         // set prefix word and suffix word
                         prefixWord = argPrefix
                         suffixWord = randomSuffix.Lemma.FieldNullString.String
@@ -1680,9 +1680,9 @@
                         argSuffix = ""</span>
                 case WithSuffix:<span class="cov8" title="1">
                         // get random number for argPrefix
-                        randomIndexPrefix := g.RandProxy.Intn(len(allNWords))
+                        randomIndexPrefix := g.RandProxy.Intn(len(allAVWords))
                         // get random prefix word
-                        randomPrefix := allNWords[randomIndexPrefix]
+                        randomPrefix := allAVWords[randomIndexPrefix]
                         // set prefix word and suffix word
                         prefixWord = randomPrefix.Lemma.FieldNullString.String
                         suffixWord = argSuffix