docs: Identify examples that are C code

https://bugzilla.gnome.org/show_bug.cgi?id=723119

1 files changed, 3 insertions, 3 deletions

diff --git a/gtk/gtkspinbutton.c b/gtk/gtkspinbutton.c
index 5ef8e7daa1..5734d2cbe2 100644
--- a/gtk/gtkspinbutton.c
+++ b/gtk/gtkspinbutton.c
@@ -80,7 +80,7 @@
  *
  * <example>
  * <title>Using a GtkSpinButton to get an integer</title>
- * |[
+ * |[<!-- language="C" -->
  * /&ast; Provides a function to retrieve an integer value from a
  *  &ast; GtkSpinButton and creates a spin button to model percentage
  *  &ast; values.
@@ -116,7 +116,7 @@
  *
  * <example>
  * <title>Using a GtkSpinButton to get a floating point value</title>
- * |[
+ * |[<!-- language="C" -->
  * /&ast; Provides a function to retrieve a floating point value from a
  *  &ast; GtkSpinButton, and creates a high precision spin button.
  *  &ast;/
@@ -458,7 +458,7 @@ gtk_spin_button_class_init (GtkSpinButtonClass *class)
    *
    * The ::output signal can be used to change to formatting
    * of the value that is displayed in the spin buttons entry.
-   * |[
+   * |[<!-- language="C" -->
    * /&ast; show leading zeros &ast;/
    * static gboolean
    * on_output (GtkSpinButton *spin,