[devhelp] docs: fix doc of DhProfileBuilder and DhSettingsBuilder

[Sébastien Wilmet <swilmet src gnome org>]

commit c0e108466490602affac3acd0eca0ca86d5fc73d
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Wed Apr 4 18:45:37 2018 +0200

    docs: fix doc of DhProfileBuilder and DhSettingsBuilder
    
    DhSettings is no longer immutable (it was initially, but I've changed my
    plans). And since DhProfile contains a DhSettings, by transitivity
    DhProfile is also not really immutable.

 devhelp/dh-profile-builder.c  |    3 +--
 devhelp/dh-settings-builder.c |    3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/devhelp/dh-profile-builder.c b/devhelp/dh-profile-builder.c
index 33655bb..12e7b88 100644
--- a/devhelp/dh-profile-builder.c
+++ b/devhelp/dh-profile-builder.c
@@ -25,8 +25,7 @@
  * @Title: DhProfileBuilder
  * @Short_description: Builds #DhProfile objects
  *
- * #DhProfileBuilder permits to build #DhProfile objects. Once a #DhProfile
- * object is created, it is immutable.
+ * #DhProfileBuilder permits to build #DhProfile objects.
  */
 
 /* API design:
diff --git a/devhelp/dh-settings-builder.c b/devhelp/dh-settings-builder.c
index 29144ea..3d6704c 100644
--- a/devhelp/dh-settings-builder.c
+++ b/devhelp/dh-settings-builder.c
@@ -25,8 +25,7 @@
  * @Title: DhSettingsBuilder
  * @Short_description: Builds #DhSettings objects
  *
- * #DhSettingsBuilder permits to build #DhSettings objects. Once a #DhSettings
- * object is created, it is immutable.
+ * #DhSettingsBuilder permits to build #DhSettings objects.
  *
  * The #GSettings schemas provided by the libdevhelp are relocatable. So the
  * paths need to be provided. If a path for a certain schema is not provided to