diff --git a/manifest.json b/manifest.json
index 40f993fe..a228f5cc 100644
--- a/manifest.json
+++ b/manifest.json
@@ -61,7 +61,7 @@
     {
       "id": "meta_languages",
       "type": "meta",
-      "version": "0.1.2",
+      "version": "0.1.3",
       "mod_version": "3",
       "description": "A metapackage containing all publically accessible language syntaxes.",
       "dependencies": {
@@ -867,7 +867,7 @@
     },
     {
       "description": "Syntax for the [JSX](https://reactjs.org/docs/introducing-jsx.html) language for the React framework in JavaScript",
-      "version": "0.1",
+      "version": "0.2",
       "path": "plugins/language_jsx.lua",
       "id": "language_jsx",
       "mod_version": "3",
diff --git a/plugins/language_jsx.lua b/plugins/language_jsx.lua
index 04e846b3..941e786c 100644
--- a/plugins/language_jsx.lua
+++ b/plugins/language_jsx.lua
@@ -4,10 +4,11 @@ local syntax = require "core.syntax"
 
 syntax.add {
   name = "JSX",
-  files = { "%.jsx$" },
+  files = { "%.jsx$", "%.astro$" },
   comment = "//",
+  block_comment = { "/*", "*/" },
   patterns = {
-    { pattern = "//.-\n",               type = "comment"  },
+    { pattern = "//.*",                 type = "comment"  },
     { pattern = { "/%*", "%*/" },       type = "comment"  },
     { pattern = { '"', '"', '\\' },     type = "string"   },
     { pattern = { "'", "'", '\\' },     type = "string"   },