diff --git a/dist/index.js b/dist/index.js
index f03395d..9c0fc47 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -6512,10 +6512,9 @@ function diagnosticToString(diag, forCommand) {
       message += `${diag.file}:`;
     }
     if (diag.range && !isEmptyRange(diag.range)) {
-      message += `${diag.range.start.line + 1}:${diag.range.start.character + 1} - `;
+      message += `${diag.range.start.line + 1}:${diag.range.start.character + 1} -`;
     }
-    message += diag.severity;
-    message += `: `;
+    message += ` ${diag.severity}: `;
   }
   message += diag.message;
   if (diag.rule) {
diff --git a/src/__snapshots__/main.test.ts.snap b/src/__snapshots__/main.test.ts.snap
index 20b50a2..776bc3b 100644
--- a/src/__snapshots__/main.test.ts.snap
+++ b/src/__snapshots__/main.test.ts.snap
@@ -310,7 +310,7 @@ Array [
     "/path/to/file1.py:1:1 - error: some error",
   ],
   Array [
-    "/path/to/file2.py:warning: some warning",
+    "/path/to/file2.py: warning: some warning",
   ],
   Array [
     "/path/to/file3.py:1:1 - information: some info (reportSomeInformation)",
@@ -404,13 +404,13 @@ Array [
     "/path/to/file1.py:1:1 - error: some error",
   ],
   Array [
-    "/path/to/file2.py:warning: some warning",
+    "/path/to/file2.py: warning: some warning",
   ],
   Array [
     "/path/to/file3.py:1:1 - information: some info (reportSomeInformation)",
   ],
   Array [
-    "/path/to/file3.py:warning: another warning (reportSomeWarning)",
+    "/path/to/file3.py: warning: another warning (reportSomeWarning)",
   ],
   Array [
     "/path/to/file1.py:6:10 - error: some error",
diff --git a/src/main.ts b/src/main.ts
index ddf3ca7..3b777ab 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -95,10 +95,9 @@ function diagnosticToString(diag: Diagnostic, forCommand: boolean): string {
             message += `${diag.file}:`;
         }
         if (diag.range && !isEmptyRange(diag.range)) {
-            message += `${diag.range.start.line + 1}:${diag.range.start.character + 1} - `;
+            message += `${diag.range.start.line + 1}:${diag.range.start.character + 1} -`;
         }
-        message += diag.severity;
-        message += `: `;
+        message += ` ${diag.severity}: `;
     }
 
     message += diag.message;