Fix header formatting

FormatInterface.md

@@ -11,9 +11,9 @@ The `FormatInterface`interface defines functions that need to be implemented by
 
 Find a [template](#template) at the end of this file
 
-#Functions
+# Functions
 
-##The `display` function
+## The `display` function
 
 The `display` function shows the contents to the user and must return the object instance.
 
@@ -21,7 +21,7 @@ The `display` function shows the contents to the user and must return the object
 display(): self
 ```
 
-##The `stringify` function
+## The `stringify` function
 
 The `stringify` function returns the items received by [`setItems`](#the-setitem-function) as string.
 
@@ -29,7 +29,7 @@ The `stringify` function returns the items received by [`setItems`](#the-setitem
 stringify(): string
 ```
 
-##The `setItems` function
+## The `setItems` function
 
 The `setItems` function receives an array of items generated by the bridge and must return the object instance. Each item represents an entry in the feed. For more information refer to [BridgeAbstract](BridgeAbstract#items).
 
@@ -37,7 +37,7 @@ The `setItems` function receives an array of items generated by the bridge and m
 setItems(array $items): self
 ```
 
-##The `getItems` function
+## The `getItems` function
 
 The `getItems` function returns the items previously set by the [`setItems`](FormatInterface#the-setitems-function) function. If no items where set previously this function returns an error.
 
@@ -45,7 +45,7 @@ The `getItems` function returns the items previously set by the [`setItems`](For
 getItems(): array
 ```
 
-##The `setCharset` function
+## The `setCharset` function
 
 The `setCharset` function receives the character set value as string and returns the object instance.
 
@@ -53,7 +53,7 @@ The `setCharset` function receives the character set value as string and returns
 setCharset(string): self
 ```
 
-##The `getCharset` function
+## The `getCharset` function
 
 The `getCharset` function returns the character set value.
 
@@ -61,7 +61,7 @@ The `getCharset` function returns the character set value.
 getCharset(): string
 ```
 
-##The `setExtraInfos` function
+## The `setExtraInfos` function
 
 The `setExtraInfos` function receives an array of elements with additional information to generate format outputs and must return the object instance.
 
@@ -76,7 +76,7 @@ Name | Description
 `name` | Defines the name as generated by the bridge
 `uri` | Defines the URI of the feed as generated by the bridge
 
-##The `getExtraInfos` function
+## The `getExtraInfos` function
 
 The `getExtraInfos` function returns the information previously set via the [`setExtraInfos`](#the-setextrainfos-function) function.
 
@@ -84,7 +84,7 @@ The `getExtraInfos` function returns the information previously set via the [`se
 getExtraInfos(): array
 ```
 
-#Template
+# Template
 
 This is a bare minimum template for a format: