[gtksourceview] docs: write "Warning:" in addition to the tag <warning>

[Sébastien Wilmet <swilmet src gnome org>]

commit 0f2942bbd48f3a2cbbc319dc43ec12d9ea9f5830
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sat Dec 19 21:30:41 2015 +0100

    docs: write "Warning:" in addition to the tag <warning>
    
    It's clearer.

 gtksourceview/gtksourceutils.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtksourceview/gtksourceutils.c b/gtksourceview/gtksourceutils.c
index 3956b7b..bebe34f 100644
--- a/gtksourceview/gtksourceutils.c
+++ b/gtksourceview/gtksourceutils.c
@@ -138,7 +138,7 @@ gtk_source_utils_unescape_search_text (const gchar *text)
  * See also: gtk_source_utils_unescape_search_text().
  *
  * <warning>
- * The escape and unescape functions are not reciprocal! For example,
+ * Warning: the escape and unescape functions are not reciprocal! For example,
  * escape (unescape (\)) = \\. So avoid cycles such as: search entry -> unescape
  * -> search settings -> escape -> search entry. The original search entry text
  * may be modified.