Minor fix

javiereguiluz · javiereguiluz · commit 993d960e0b0c · 2023-02-01T17:40:22.000+01:00
diff --git a/profiler.rst b/profiler.rst
@@ -217,7 +217,7 @@ event::
 .. _profiler-data-collector:
 
 Creating a Data Collector
-=========================
+-------------------------
 
 The Symfony Profiler obtains its profiling and debug information using some
 special classes called data collectors. Symfony comes bundled with a few of
