Changed the heading levels in documentation again

docs/source/interface.txt

@@ -1,6 +1,6 @@
-##############
+***************
 User Interface
-##############
+***************
 
 The user interface is kept as simple as possible to avoid distractions.
 The main window contains a tree vew pane with the entire structure of the project, and a small details panel below it to display additional information.
@@ -11,9 +11,8 @@ This will open the source editor which uses a simplified markdown format describ
 The document can also be viewed as html with all the comments and commands stripped out. To view a document, simply press Ctrl+R or select a file and go to :menuselection:`Document --> View Document` in the menu.
 The document viewed does not need to be the same document currently being edited.
 
-***************
 Markdown Format
-***************
+===============
 
 the document editor uses a simplified markdown format.
 That is, it supports basic formatting like bold, italics and underline, as well as four levels of headings.
@@ -24,7 +23,7 @@ The editor also has a minimal set of commands used for setting tags and referenc
 
 .. csv-table:: Formatting Syntax
    :header: "Format", "Description"
-   :widths: 15, 70
+   :widths: 15, 50
 
    "``# Title``",         "Heading level one. The space after the # is mandatory."
    "``## Title``",        "Heading level two. The space after the # is mandatory."
@@ -36,16 +35,15 @@ The editor also has a minimal set of commands used for setting tags and referenc
    "``% text...``",       "A comment. The text is not exported, seen in viewer, or counted towards word counts."
    "``@keyword: value``", "A keyword argument followed by a value, or a comma separated list of values."
 
-******************
 Keyboard Shortcuts
-******************
+==================
 
 All features are available as keyboard shortcuts.
 These are as following:
 
 .. csv-table:: Keyboard Shortcuts
    :header: "Shortcut", "Description"
-   :widths: 15, 70
+   :widths: 15, 50
 
    ":kbd:`Ctrl-.`",          "Correct word under cursor."
    ":kbd:`Ctrl-1`",          "Switch focus to tree view pane."