diff --git a/README.md b/README.md
index 760ad3c..1638751 100755
--- a/README.md
+++ b/README.md
@@ -136,7 +136,9 @@ We have 4 built-in Bootstrap themes. To use one of the themes, just set the `the
 
 ```json
 {
-	"theme": "daux-blue"
+  "html": {
+    "theme": "daux-green"
+  }
 }
 ```
 
@@ -379,11 +381,17 @@ docker-compose -f docker-compose.7.yml up -d
 
 You can then point your browser to http://localhost:8086
 
-## Compatibility
+## PHP Requirements
 
 Daux.io is compatible with PHP 5.5 and up.
 
-The reason is because some dependencies we have (mainly Symfony and Guzzle) do not support php 5.4 anymore
+The reason is because some dependencies we have (mainly Symfony and Guzzle) do not support php 5.4 anymore.
+
+### Extensions
+
+PHP Needs the following extension to work : `php-mbstring` and `php-xml`.
+
+If you encounter an error similar to `utf8_decode() not found` this means that you're missing the `php-xml` package. (We've seen it happen only on PHP 7)
 
 ## Support
 
diff --git a/docs/00_Getting_Started.md b/docs/00_Getting_Started.md
index f94d504..56717c9 100644
--- a/docs/00_Getting_Started.md
+++ b/docs/00_Getting_Started.md
@@ -118,6 +118,17 @@ To export, run the `daux` command and your documentation will be generated in `s
 
 Now that you got the basics, you can also [see what you can configure](05_Configuration/_index.md)
 
+## PHP Requirements
+
+Daux.io is compatible with PHP 5.5 and up.
+
+The reason is because some dependencies we have (mainly Symfony and Guzzle) do not support php 5.4 anymore.
+
+### Extensions
+
+PHP Needs the following extension to work : `php-mbstring` and `php-xml`.
+
+If you encounter an error similar to `utf8_decode() not found` this means that you're missing the `php-xml` package. (We've seen it happen only on PHP 7)
 
 ## Known Issues