Updates headline level in blockquotes

docs/book/figlet.md

@@ -7,14 +7,14 @@ FIGlets use a special font format, called FLT (FigLet Font). By default, one
 standard font is shipped with `Zend\Text\Figlet`, but you can download
 additional fonts at [http://www.figlet.org](http://www.figlet.org).
 
-> ## Compressed fonts
+> ### Compressed Fonts
 >
 > `Zend\Text\Figlet` supports gzipped fonts. This means that you can take an
 > `.flf` file and gzip it.  To allow `Zend\Text\Figlet` to recognize this, the
 > gzipped font must have the extension `.gz`.  Further, to be able to use
 > gzipped fonts, you have to have enabled the PHP GZIP extension.
 
-> ## Encoding
+> ### Encoding
 >
 > `Zend\Text\Figlet` expects your strings to be UTF-8 encoded by default. If
 > this is not the case, you can supply the character encoding to the second
@@ -62,7 +62,7 @@ echo $figlet->render('Zend');
 
 Assuming you are using a monospace font, the above results in the following:
 
-```
+```text
   ______    ______    _  __   ______
  |__  //   |  ___||  | \| || |  __ \\
    / //    | ||__    |  ' || | |  \ ||

docs/book/table.md

@@ -5,7 +5,7 @@ decorators.  This can be helpful for sending structured data in text emails, or
 to display table information in a CLI application. `Zend\Text\Table` supports
 multi-line columns, column spans, and alignment.
 
-> ## Encoding
+> ### Encoding
 >
 > `Zend\Text\Table` expects your strings to be UTF-8 encoded by default. If this
 > is not the case, you can either supply the character encoding as a parameter
@@ -98,7 +98,7 @@ echo $table;
 
 The above results in the following output:
 
-```php
+```text
 ┌──────────┬────────────────────┐
 │Zend      │Framework           │
 |──────────|────────────────────|