diff --git a/doc/manpages/bob-build-dev.rst b/doc/manpages/bob-build-dev.rst
index 99ec18ed..eebae90e 100644
--- a/doc/manpages/bob-build-dev.rst
+++ b/doc/manpages/bob-build-dev.rst
@@ -233,6 +233,17 @@ Options
     it cannot be built either, the other dependencies are still processed.
     Normally Bob stops on the first error that is encountered.
 
+``-lc LAYERCONFIG``
+    Use additional layer configuration file.
+
+    This is special kind of configuration file to control the layers checkout. Only
+    ``layersWhitelist`` and ``layersScmOverrides`` are supported. Layers are
+    updated automatically unless ``--build-only`` is given too.
+
+    The ``.yaml`` suffix is appended automatically and the configuration file
+    is searched relative to the project root directory unless an absolute path
+    is given.
+
 ``--no-attic``
     Do not move checkout workspace to attic if inline SCM switching is not possible.
     Instead a build error is issued.
diff --git a/doc/manpages/bob-build.rst b/doc/manpages/bob-build.rst
index 10cb76a4..e2142d9b 100644
--- a/doc/manpages/bob-build.rst
+++ b/doc/manpages/bob-build.rst
@@ -19,14 +19,13 @@ Synopsis
               [--without-provided] [-A | --audit] [-b | -B | --normal]
               [--clean | --incremental] [--always-checkout RE] [--resume]
               [-q] [-v] [--no-logfiles] [-D DEFINES] [-c CONFIGFILE]
-              [-e NAME] [-E] [-M META] [--upload] [--link-deps]
-              [--no-link-deps] [--download MODE] [--download-layer MODE]
-              [--shared | --no-shared] [--install | --no-install]
-              [--sandbox | --no-sandbox] [--clean-checkout]
-              [--attic | --no-attic]
+              [-lc LAYERCONFIG] [-e NAME] [-E] [-M META] [--upload]
+              [--link-deps] [--no-link-deps] [--download MODE]
+              [--download-layer MODE] [--shared | --no-shared]
+              [--install | --no-install] [--sandbox | --no-sandbox]
+              [--clean-checkout] [--attic | --no-attic]
               PACKAGE [PACKAGE ...]
 
-
 Description
 -----------
 
diff --git a/doc/manpages/bob-dev.rst b/doc/manpages/bob-dev.rst
index 24fb2e79..f24b2724 100644
--- a/doc/manpages/bob-dev.rst
+++ b/doc/manpages/bob-dev.rst
@@ -19,11 +19,11 @@ Synopsis
             [--without-provided] [-A | --audit] [-b | -B | --normal]
             [--clean | --incremental] [--always-checkout RE] [--resume]
             [-q] [-v] [--no-logfiles] [-D DEFINES] [-c CONFIGFILE]
-            [-e NAME] [-E] [-M META] [--upload] [--link-deps]
-            [--no-link-deps] [--download MODE] [--download-layer MODE]
-            [--shared | --no-shared] [--install | --no-install]
-            [--sandbox | --no-sandbox] [--clean-checkout]
-            [--attic | --no-attic]
+            [-lc LAYERCONFIG] [-e NAME] [-E] [-M META] [--upload]
+            [--link-deps] [--no-link-deps] [--download MODE]
+            [--download-layer MODE] [--shared | --no-shared]
+            [--install | --no-install] [--sandbox | --no-sandbox]
+            [--clean-checkout] [--attic | --no-attic]
             PACKAGE [PACKAGE ...]