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-rw-r--r--doc/manual/opt-common.xml13
1 files changed, 6 insertions, 7 deletions
diff --git a/doc/manual/opt-common.xml b/doc/manual/opt-common.xml
index db8a60ecad6e..0cfd6ba215d2 100644
--- a/doc/manual/opt-common.xml
+++ b/doc/manual/opt-common.xml
@@ -50,7 +50,7 @@
           <para>
             <quote>Informational</quote>: print
             <emphasis>useful</emphasis> messages about what Nix is
-            doing.
+            doing.  This is the default.
           </para>
         </listitem>
       </varlistentry>
@@ -94,14 +94,13 @@
 
 
 <varlistentry>
-  <term><option>--build-output</option> / <option>-B</option></term>
+  <term><option>--no-build-output</option> / <option>-Q</option></term>
   <listitem>
     <para>
-      Causes the output written by build actions to standard output
-      and standard error to be echoed to standard error, regardless of
-      verbosity level.  By default, it is only echoed at a verbosity
-      level of at least 4 (<quote>Debug</quote>), and is suppressed at
-      lower levels.  Note that it is always written to a log file in
+      By default, output written by builders to standard output and
+      standard error is echoed to the Nix command's standard error.
+      This option suppresses this behaviour.  Note that the builder's
+      standard output and error are always written to a log file in
       <filename><replaceable>prefix</replaceable>/nix/var/log/nix</filename>.
     </para>
   </listitem>