fix the link to code listings of Appendix C

hirotnk · Apr 22, 2020 · d37b96f · d37b96f
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commit d37b96f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/chapters/beam.asciidoc b/chapters/beam.asciidoc
@@ -261,7 +261,7 @@ integer(I) ->
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 Now lets write a simple virtual machine in C. The full code can
-be found in [appendix].
+be found in xref:AP-listings[].
 
 [source, C]
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