diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index 88aa252..51a4fd0 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -257,7 +257,8 @@
       }
     ],
     "direction": "horizontal",
-    "width": 200
+    "width": 200,
+    "collapsed": true
   },
   "left-ribbon": {
     "hiddenItems": {
@@ -274,6 +275,7 @@
   },
   "active": "b8c0b940e83a0cce",
   "lastOpenFiles": [
+    "conf/sedSNuLNp",
     "chapters/00_Introduction.md",
     "chapters/01_Getting_Started.md",
     "chapters/02_Features.md",
diff --git a/build/basic-book-builder.pdf b/build/basic-book-builder.pdf
index 8d9991b..9ea5ca2 100644
Binary files a/build/basic-book-builder.pdf and b/build/basic-book-builder.pdf differ
diff --git a/chapters/01_Getting_Started.md b/chapters/01_Getting_Started.md
index 38ea34f..4981885 100644
--- a/chapters/01_Getting_Started.md
+++ b/chapters/01_Getting_Started.md
@@ -19,6 +19,7 @@ For Debian / ZorinOS and likely Ubuntu based systems.
 
 #### Code Editor
 
+
 > [!established] Code Editor
 > [VSCodium](https://vscodium.com/) is recommend for privacy (telemetry/tracking) reasons
 > - https://vscodium.com/
diff --git a/filters/callouts.lua b/filters/callouts.lua
index c0c0905..6b35d3d 100644
--- a/filters/callouts.lua
+++ b/filters/callouts.lua
@@ -10,46 +10,58 @@ local callout_env_map = {
   }
   
 
-function BlockQuote(el)
-  if #el.content > 0 and el.content[1].t == "Para" then
-    local firstPara = el.content[1]
-    if #firstPara.content > 0 and firstPara.content[1].t == "Str" then
-      local firstWord = firstPara.content[1].text
-      local calloutType = firstWord:match("^%[%!(%w+)%]$")
-      if calloutType and callout_env_map[calloutType] then
-        -- remove the [!type] marker
-        table.remove(firstPara.content, 1)
-        -- remove one following space if present
-        if #firstPara.content > 0 and firstPara.content[1].t == "Space" then
+  function BlockQuote(el)
+    if #el.content > 0 and el.content[1].t == "Para" then
+      local firstPara = el.content[1]
+      if #firstPara.content > 0 and firstPara.content[1].t == "Str" then
+        local firstWord = firstPara.content[1].text
+        local calloutType = firstWord:match("^%[%!(%w+)%]$")
+        
+        if calloutType and callout_env_map[calloutType] then
+          -- 1. Remove the [!type] marker
           table.remove(firstPara.content, 1)
-        end
-
-        -- gather optional custom title (may contain spaces)
-        local titleInlines = {}
-        while #firstPara.content > 0 do
-          local t = firstPara.content[1].t
-          if t == "SoftBreak" then
+          
+          -- 2. Remove one following space if present
+          if #firstPara.content > 0 and firstPara.content[1].t == "Space" then
             table.remove(firstPara.content, 1)
-            break
-          elseif t == "Space" or t == "Str" or t == "Emph" or t == "Strong" or t == "Code" then
-            table.insert(titleInlines, table.remove(firstPara.content, 1))
-          else
-            break
           end
+  
+          -- 3. Gather optional custom title
+          local titleInlines = {}
+          while #firstPara.content > 0 do
+            local t = firstPara.content[1].t
+            if t == "SoftBreak" then
+              table.remove(firstPara.content, 1)
+              break
+            elseif t == "Space" or t == "Str" or t == "Emph" or t == "Strong" or t == "Code" then
+              table.insert(titleInlines, table.remove(firstPara.content, 1))
+            else
+              break
+            end
+          end
+          
+          local customTitle = pandoc.utils.stringify(pandoc.Span(titleInlines))
+          customTitle = customTitle:gsub("^%s+", ""):gsub("%s+$", "")
+          if customTitle == "" then customTitle = nil end
+  
+          -- 4. Map to LaTeX environment
+          local env = callout_env_map[calloutType]
+          local titleOption = customTitle and ("[" .. customTitle .. "]") or "[]"
+  
+          -- 5. Handle the Margin Issue
+          -- We add \par and \medskip specifically for 'established'
+          local prefix = ""
+          if calloutType == "established" then
+              prefix = "\\par\\medskip\\noindent\n"
+          end
+  
+          -- 6. Construct the LaTeX block
+          local latex = prefix .. "\\begin{" .. env .. "}" .. titleOption .. "\n"
+            .. pandoc.write(pandoc.Pandoc(el.content), "latex")
+            .. "\n\\end{" .. env .. "}"
+  
+          return pandoc.RawBlock("latex", latex)
         end
-        local customTitle = pandoc.utils.stringify(pandoc.Span(titleInlines))
-        customTitle = customTitle:gsub("^%s+", ""):gsub("%s+$", "")
-        if customTitle == "" then customTitle = nil end
-
-        local env = callout_env_map[calloutType]
-        local titleOption = customTitle and ("[" .. customTitle .. "]") or "[]"
-
-        local latex = "\\begin{" .. env .. "}" .. titleOption .. "\n"
-          .. pandoc.write(pandoc.Pandoc(el.content), "latex")
-          .. "\n\\end{" .. env .. "}"
-
-        return pandoc.RawBlock("latex", latex)
       end
     end
-  end
-end
+  end
\ No newline at end of file