[gthumb] fixed some errors in the album theme format description file

[Paolo Bacchilega <paobac src gnome org>]

commit 27b3e949551201f2d35419e2ccaeb88fa2fc1961
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Wed Dec 8 17:05:25 2010 +0100

    fixed some errors in the album theme format description file

 help/album-theme-format.txt |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/help/album-theme-format.txt b/help/album-theme-format.txt
index c3db660..8a3ffda 100644
--- a/help/album-theme-format.txt
+++ b/help/album-theme-format.txt
@@ -6,7 +6,7 @@ Functions
 
 Functions are used to print values.  Two functions have a special format, they 
 are "eval" and "translate", all other functions have a standard format similar 
-to that of HTLM tags.
+to that of HTML tags.
 
 eval
 ----
@@ -41,7 +41,7 @@ All other functions have the following format:
 
 <%= function attribute="value" attribute="value" %>
 
-they all print a value, that can be customized specifing addition attributes.
+they all print a value, that can be customized specifing additional attributes.
 
 The following is the list of all avaiable functions with the relative 
 attributes: