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-rw-r--r--lib/dialyzer/doc/src/dialyzer.xml4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/dialyzer/doc/src/dialyzer.xml b/lib/dialyzer/doc/src/dialyzer.xml
index 91d7831383..5dd40a595b 100644
--- a/lib/dialyzer/doc/src/dialyzer.xml
+++ b/lib/dialyzer/doc/src/dialyzer.xml
@@ -391,7 +391,9 @@ dialyzer --plts plt_1 ... plt_n -- files_to_analyze</code>
<item>
<p>Include warnings for function calls that ignore a structured return
value or do not match against one of many possible return
- value(s).</p>
+ values. However, no warnings are included if the possible return
+ values are a union of atoms or a union of numbers.
+ </p>
</item>
</taglist>