diff --git a/data/plugins/language_md.lua b/data/plugins/language_md.lua
index c69a4583..1046657d 100644
--- a/data/plugins/language_md.lua
+++ b/data/plugins/language_md.lua
@@ -112,6 +112,7 @@ syntax.add {
     { pattern = { "%$%$", "%$%$", "\\"  },  type = "string", syntax = ".tex"},
     { regex   = { "\\$", [[\$|(?=\\*\n)]], "\\" },  type = "string", syntax = ".tex"},
     -- code blocks
+    { pattern = { "```caddyfile", "```" },  type = "string", syntax = "Caddyfile" },
     { pattern = { "```c++", "```" },        type = "string", syntax = ".cpp" },
     { pattern = { "```cpp", "```" },        type = "string", syntax = ".cpp" },
     { pattern = { "```python", "```" },     type = "string", syntax = ".py" },
@@ -149,14 +150,15 @@ syntax.add {
     { pattern = { "```", "```" },           type = "string" },
     { pattern = { "``", "``" },             type = "string" },
     { pattern = { "%f[\\`]%`[%S]", "`" },   type = "string" },
+    -- lines
+    { pattern = "^%-%-%-+\n" ,              type = "comment" },
+    { pattern = "^%*%*%*+\n",               type = "comment" },
+    { pattern = "^___+\n",                  type = "comment" },
+    { pattern = "^===+\n",                  type = "comment" },
     -- strike
     { pattern = { "~~", "~~" },             type = "keyword2" },
     -- highlight
     { pattern = { "==", "==" },             type = "literal" },
-    -- lines
-    { pattern = "^%-%-%-+$" ,               type = "comment" },
-    { pattern = "^%*%*%*+$",                type = "comment" },
-    { pattern = "^___+$",                   type = "comment" },
     -- bold and italic
     { pattern = { "%*%*%*%S", "%*%*%*" },   type = "markdown_bold_italic" },
     { pattern = { "%*%*%S", "%*%*" },       type = "markdown_bold" },
@@ -175,7 +177,7 @@ syntax.add {
       type = { "keyword", "function", "string", "function" }
     },
     -- headings
-    { pattern = "^#+%s.+$",                 type = "keyword" },
+    { pattern = "^#+%s.+\n",                type = "keyword" },
     -- superscript and subscript
     {
       pattern = "%^()%d+()%^",