diff --git a/messages.json b/messages.json
index 64087fd..468f7d5 100644
--- a/messages.json
+++ b/messages.json
@@ -28,5 +28,6 @@
   "2.19.0": "messages/2.19.0.txt",
   "2.19.1": "messages/2.19.1.txt",
   "2.19.2": "messages/2.19.2.txt",
-  "2.20.0": "messages/2.20.0.txt"
+  "2.20.0": "messages/2.20.0.txt",
+  "2.21.1": "messages/2.21.1.txt"
 }
diff --git a/messages/2.21.1.txt b/messages/2.21.1.txt
new file mode 100644
index 0000000..68374e3
--- /dev/null
+++ b/messages/2.21.1.txt
@@ -0,0 +1,4 @@
+# Bug Fixes
+Much better syntax highlighting for requester files, thanks to @jcberquist!
+
+Also, fixed bug in explore request command, which choked on requests with a dangling, trailing comma.
diff --git a/syntax/requester-source-identifiers.tmPreferences b/syntax/requester-source-identifiers.tmPreferences
index 74ef3ab..cd0b757 100644
--- a/syntax/requester-source-identifiers.tmPreferences
+++ b/syntax/requester-source-identifiers.tmPreferences
@@ -12,8 +12,7 @@
       <integer>1</integer>
       <key>symbolTransformation</key>
       <string>
-         s/(requests\.)?(get|options|head|post|put|patch|delete)(.*)/\U\2\E:\3/g;
-         s/\(/ /g;
+         s/.*?(get|options|head|post|put|patch|delete)\s*\(\s*(.*)/\U\1\E: \2/g;
       </string>
    </dict>
 </dict>
diff --git a/syntax/requester-source.sublime-syntax b/syntax/requester-source.sublime-syntax
index e946044..538ab0f 100644
--- a/syntax/requester-source.sublime-syntax
+++ b/syntax/requester-source.sublime-syntax
@@ -13,8 +13,11 @@ contexts:
           push: env
         - match: "^(?=##)"
           push: header
-        - match: ^(?=([\w_][\w\d_]*\.)?(get|options|head|post|put|patch|delete))
-          push: identifier
+        - match: ^([\w_][\w\d_]*\.)?(get|options|head|post|put|patch|delete)\s*(\()
+          captures:
+            2: variable.function.python
+            3: punctuation.section.arguments.begin.python
+          push: [function-call, identifier]
 
   env:
     - match: "\n"
@@ -28,13 +31,16 @@ contexts:
     - match: .*
       scope: storage.header.requester
 
+  function-call:
+    - meta_scope: meta.function-call.python
+    - match: \)
+      scope: punctuation.section.arguments.end.python
+      pop: true
+    - include: "Packages/Python/Python.sublime-syntax#arguments"
+
   identifier:
-    - meta_content_scope: meta.identifier.requester
-    - match: "[,)]"
+    - meta_scope: meta.identifier.requester
+    - match: (?=[,)])
       pop: true
-    - match: "'.*?'"
-      scope: string.quoted.single.python
-    - match: '".*?"'
-      scope: string.quoted.double.python
-    - match: '\+'
-      scope: keyword.operator.arithmetic.python
+    - include: "Packages/Python/Python.sublime-syntax#arguments"
+