diff --git a/resources/ts/highlight-terraform.ts b/resources/ts/highlight-terraform.ts
index 48b18843..980f90a7 100644
--- a/resources/ts/highlight-terraform.ts
+++ b/resources/ts/highlight-terraform.ts
@@ -10,7 +10,7 @@ export default function (hljs: HLJSApi) {
         'locals',
         'module',
         'data',
-        'terraform|10',
+        'terraform',
         'for',
         'in',
         'if',
@@ -38,21 +38,27 @@ export default function (hljs: HLJSApi) {
                 scope: 'variable',
                 begin: /\${/,
                 end: /}/,
-                relevance: 9,
             },
         ],
+        relevance: 10,
     };
 
-    const PARAMETER = {
-        scope: 'variable',
+    const ATTRIBUTE = {
+        scope: 'attr',
         match: /\n\s*[a-zA-Z0-9_]+\s*(?==)/,
     };
 
-    const BLOCK_PARAMETER = {
+    const BLOCK_ATTRIBUTE = {
         scope: 'keyword',
         match: /\n\s*[a-zA-Z0-9_]+\s*(?={)/,
     };
 
+    const PARAMETER = {
+        scope: 'params',
+        begin: /(?<==\s)(?!true\b|false\b|null\b)(\[.*?]|[\w.]+)/,
+        relevance: 10,
+    };
+
     const FUNCTION = {
         scope: 'title.function',
         match: /[a-zA-Z0-9_]+(?=\()/,
@@ -91,8 +97,9 @@ export default function (hljs: HLJSApi) {
             hljs.COMMENT(/#/, /$/),
             NUMBERS,
             STRINGS,
+            ATTRIBUTE,
+            BLOCK_ATTRIBUTE,
             PARAMETER,
-            BLOCK_PARAMETER,
             FUNCTION,
             EQUALS,
             LEFT_BRACE,