diff --git a/doc/manual/command-ref/conf-file.xml b/doc/manual/command-ref/conf-file.xml
index 2ddca991f..fff7994f2 100644
--- a/doc/manual/command-ref/conf-file.xml
+++ b/doc/manual/command-ref/conf-file.xml
@@ -734,6 +734,14 @@ builtins.fetchurl {
   </varlistentry>
 
 
+  <varlistentry xml:id="conf-show-trace"><term><literal>show-trace</literal></term>
+
+    <listitem><para>Causes Nix to print out a stack trace in case of Nix
+    expression evaluation errors.</para></listitem>
+
+  </varlistentry>
+
+
 </variablelist>
 
 </para>
diff --git a/doc/manual/command-ref/opt-common-syn.xml b/doc/manual/command-ref/opt-common-syn.xml
index 3aff4e1b6..168bef080 100644
--- a/doc/manual/command-ref/opt-common-syn.xml
+++ b/doc/manual/command-ref/opt-common-syn.xml
@@ -47,7 +47,6 @@
 </arg>
 <arg><option>--fallback</option></arg>
 <arg><option>--readonly-mode</option></arg>
-<arg><option>--show-trace</option></arg>
 <arg>
   <option>-I</option>
   <replaceable>path</replaceable>
diff --git a/doc/manual/command-ref/opt-common.xml b/doc/manual/command-ref/opt-common.xml
index 32d53c753..bcb60b301 100644
--- a/doc/manual/command-ref/opt-common.xml
+++ b/doc/manual/command-ref/opt-common.xml
@@ -301,13 +301,6 @@
 
 </varlistentry>
 
-<varlistentry><term><option>--show-trace</option></term>
-
-  <listitem><para>Causes Nix to print out a stack trace in case of Nix
-  expression evaluation errors.</para></listitem>
-
-</varlistentry>
-
 
 <varlistentry xml:id="opt-I"><term><option>-I</option> <replaceable>path</replaceable></term>