doc: fix heading space bug in assert.md

tlhunter · Trott · commit d6fe46f749bf · 2020-09-23T04:37:22.000-07:00
Fixing a heading rendering bug PR-URL: #35310 Reviewed-By: Richard Lau <riclau@uk.ibm.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
diff --git a/doc/api/assert.md b/doc/api/assert.md
@@ -166,7 +166,7 @@ added: v14.2.0
 
 This feature is currently experimental and behavior might still change.
 
-### `new assert.CallTracker()`
+### `new assert.CallTracker()`
 <!-- YAML
 added: v14.2.0
 -->
