diff --git a/src/atom.xml b/src/atom.xml
index 58d20c4..8e15ce7 100644
--- a/src/atom.xml
+++ b/src/atom.xml
@@ -5,10 +5,20 @@
 <title>compudanzas: updates</title>
 <author><name>sejo</name></author>
 <generator>a mano</generator>
-<updated>2021-07-27T12:00:00Z</updated>
+<updated>2021-08-03T12:00:00Z</updated>
 <link href='https://compudanzas.net/atom.xml' rel='self'/>
 <link href='https://compudanzas.net/log.html' rel='alternate'/>
 
+<entry>
+<id>https://compudanzas.net/log.html#12021-07-31</id>
+<title>12021-07-31 uxn tutorial day 3</title>
+<updated>2021-07-31T12:00:00Z</updated>
+<link href='https://compudanzas.net/log.html#12021-07-31' rel='alternate'/>
+<summary>
+	published {uxn tutorial day 3}! and updated the previous day with changes in the screen device
+</summary>
+</entry>
+
 <entry>
 <id>https://compudanzas.net/log.html#12021-07-26</id>
 <title>12021-07-26 uxn tutorial day 2</title>
diff --git a/src/log.gmo b/src/log.gmo
index db47ea2..32b9599 100644
--- a/src/log.gmo
+++ b/src/log.gmo
@@ -5,6 +5,10 @@ what's happening with compudanzas
 => ./atom.xml [atom feed]
 => ./tw.txt [twtxt]
 
+## 12021-07-31
+
+published {uxn tutorial day 3}, and updated the previous day with changes in the screen device.
+
 ## 12021-07-26
 
 published {uxn tutorial day 2}
diff --git a/src/tw.txt b/src/tw.txt
index 45a526b..4ad627a 100644
--- a/src/tw.txt
+++ b/src/tw.txt
@@ -2,6 +2,7 @@
 # url = https://compudanzas.net/tw.txt
 # url = gemini://compudanzas.net/tw.txt
 #
+2021-07-31T17:00:00-05:00	published {uxn tutorial day 3}! and updated day 2 with changes in the screen device 
 2021-07-27T21:00:00-05:00	published {uxn tutorial day 2}!
 2021-07-22T21:00:00-05:00	published day 1 of the {uxn tutorial}!
 2021-07-15T12:00:00-05:00	reading starting {forth}. possible practice, puzzle, game, eventually dance?