follow up #52868 and fix up doc/src/base/base.md (#53294)

aviatesk · web-flow · commit 61bf2089c378 · 2024-02-12T19:56:26.000+09:00
diff --git a/doc/src/base/base.md b/doc/src/base/base.md
@@ -1,4 +1,4 @@
-#replacefield Essentials
+# Essentials
 
 ## Introduction
 
@@ -469,7 +469,6 @@ Core.setglobalonce!
 Core.replaceglobal!
 ```
 
-
 ## Documentation
 (See also the [documentation](@ref man-documentation) chapter.)
 ```@docs
