5 files changed, 13 insertions, 13 deletions
diff --git a/gobject/gboxed.c b/gobject/gboxed.c
index 02da78a4e..f61cc01cd 100644
--- a/gobject/gboxed.c
+++ b/gobject/gboxed.c
@@ -463,7 +463,7 @@ value_set_boxed_internal (GValue       *value,
 /**
  * g_value_set_boxed:
  * @value: a valid #GValue of %G_TYPE_BOXED derived type
- * @v_boxed: boxed value to be set
+ * @v_boxed: (allow-none): boxed value to be set
  *
  * Set the contents of a %G_TYPE_BOXED derived #GValue to @v_boxed.
  */
@@ -480,7 +480,7 @@ g_value_set_boxed (GValue       *value,
 /**
  * g_value_set_static_boxed:
  * @value: a valid #GValue of %G_TYPE_BOXED derived type
- * @v_boxed: static boxed value to be set
+ * @v_boxed: (allow-none): static boxed value to be set
  *
  * Set the contents of a %G_TYPE_BOXED derived #GValue to @v_boxed.
  * The boxed value is assumed to be static, and is thus not duplicated
@@ -499,7 +499,7 @@ g_value_set_static_boxed (GValue       *value,
 /**
  * g_value_set_boxed_take_ownership:
  * @value: a valid #GValue of %G_TYPE_BOXED derived type
- * @v_boxed: duplicated unowned boxed value to be set
+ * @v_boxed: (allow-none): duplicated unowned boxed value to be set
  *
  * This is an internal function introduced mainly for C marshallers.
  *
@@ -515,7 +515,7 @@ g_value_set_boxed_take_ownership (GValue       *value,
 /**
  * g_value_take_boxed:
  * @value: a valid #GValue of %G_TYPE_BOXED derived type
- * @v_boxed: duplicated unowned boxed value to be set
+ * @v_boxed: (allow-none): duplicated unowned boxed value to be set
  *
  * Sets the contents of a %G_TYPE_BOXED derived #GValue to @v_boxed
  * and takes over the ownership of the callers reference to @v_boxed;
diff --git a/gobject/gobject.c b/gobject/gobject.c
index ca9c0a1a5..b88a27600 100644
--- a/gobject/gobject.c
+++ b/gobject/gobject.c
@@ -3110,7 +3110,7 @@ g_value_object_lcopy_value (const GValue *value,
 /**
  * g_value_set_object:
  * @value: a valid #GValue of %G_TYPE_OBJECT derived type
- * @v_object: (type GObject.Object): object value to be set
+ * @v_object: (type GObject.Object) (allow-none): object value to be set
  *
  * Set the contents of a %G_TYPE_OBJECT derived #GValue to @v_object.
  *
@@ -3152,7 +3152,7 @@ g_value_set_object (GValue   *value,
 /**
  * g_value_set_object_take_ownership: (skip)
  * @value: a valid #GValue of %G_TYPE_OBJECT derived type
- * @v_object: object value to be set
+ * @v_object: (allow-none): object value to be set
  *
  * This is an internal function introduced mainly for C marshallers.
  *
@@ -3168,7 +3168,7 @@ g_value_set_object_take_ownership (GValue  *value,
 /**
  * g_value_take_object: (skip)
  * @value: a valid #GValue of %G_TYPE_OBJECT derived type
- * @v_object: object value to be set
+ * @v_object: (allow-none): object value to be set
  *
  * Sets the contents of a %G_TYPE_OBJECT derived #GValue to @v_object
  * and takes over the ownership of the callers reference to @v_object;
diff --git a/gobject/gparam.c b/gobject/gparam.c
index 656614eb0..b29d0fc1c 100644
--- a/gobject/gparam.c
+++ b/gobject/gparam.c
@@ -1417,7 +1417,7 @@ g_param_type_register_static (const gchar              *name,
 /**
  * g_value_set_param:
  * @value: a valid #GValue of type %G_TYPE_PARAM
- * @param: the #GParamSpec to be set
+ * @param: (allow-none): the #GParamSpec to be set
  *
  * Set the contents of a %G_TYPE_PARAM #GValue to @param.
  */
@@ -1439,7 +1439,7 @@ g_value_set_param (GValue     *value,
 /**
  * g_value_set_param_take_ownership: (skip)
  * @value: a valid #GValue of type %G_TYPE_PARAM
- * @param: the #GParamSpec to be set
+ * @param: (allow-none): the #GParamSpec to be set
  *
  * This is an internal function introduced mainly for C marshallers.
  *
@@ -1455,7 +1455,7 @@ g_value_set_param_take_ownership (GValue     *value,
 /**
  * g_value_take_param: (skip)
  * @value: a valid #GValue of type %G_TYPE_PARAM
- * @param: the #GParamSpec to be set
+ * @param: (allow-none): the #GParamSpec to be set
  *
  * Sets the contents of a %G_TYPE_PARAM #GValue to @param and takes
  * over the ownership of the callers reference to @param; the caller
diff --git a/gobject/gvalue.c b/gobject/gvalue.c
index bca9aa5d1..5fc765442 100644
--- a/gobject/gvalue.c
+++ b/gobject/gvalue.c
@@ -326,7 +326,7 @@ g_value_peek_pointer (const GValue *value)
 /**
  * g_value_set_instance:
  * @value: An initialized #GValue structure.
- * @instance: the instance
+ * @instance: (allow-none): the instance
  *
  * Sets @value from an instantiatable type via the
  * value_table's collect_value() function.
diff --git a/gobject/gvaluetypes.c b/gobject/gvaluetypes.c
index c87044576..dd3fa8560 100644
--- a/gobject/gvaluetypes.c
+++ b/gobject/gvaluetypes.c
@@ -1172,7 +1172,7 @@ g_value_get_gtype (const GValue *value)
 /**
  * g_value_set_variant:
  * @value: a valid #GValue of type %G_TYPE_VARIANT
- * @variant: a #GVariant, or %NULL
+ * @variant: (allow-none): a #GVariant, or %NULL
  *
  * Set the contents of a variant #GValue to @variant.
  * If the variant is floating, it is consumed.
@@ -1201,7 +1201,7 @@ g_value_set_variant (GValue   *value,
 /**
  * g_value_take_variant:
  * @value: a valid #GValue of type %G_TYPE_VARIANT
- * @variant: a #GVariant, or %NULL
+ * @variant: (allow-none): a #GVariant, or %NULL
  *
  * Set the contents of a variant #GValue to @variant, and takes over
  * the ownership of the caller's reference to @variant;