Update metadata.yaml

joaoventura · joaoventura · commit 56274d76226e · 2019-10-18T12:05:17.000+01:00
Use correct key for setting the language
diff --git a/metadata.yaml b/metadata.yaml
@@ -2,7 +2,7 @@
 title: Full Speed Python
 subtitle: v0.4.3
 author: João Ventura
-language: en-US
+lang: en-US
 
 # Variables for Latex
 documentclass: book
