diff --git a/doc/en/Pango/GlyphString.xml b/doc/en/Pango/GlyphString.xml
index 5c7d80193..708bc641e 100644
--- a/doc/en/Pango/GlyphString.xml
+++ b/doc/en/Pango/GlyphString.xml
@@ -260,7 +260,7 @@
         <summary>Width property.</summary>
         <value>The logical width of the glyph string.</value>
         <remarks />
-	<since version="Gtk# 2.12" />
+        <since version="Gtk# 2.12" />
       </Docs>
     </Member>
   </Members>