folder structure

Author: suramam

reference/sharepoint-framework-reference.md

@@ -4,7 +4,7 @@
 
 | Module	   | Description|
 |:-------------|:-------|
-|[sp-client-base](./spfx/sp-client-base-/sp-client-base-module.md)||
+|[sp-client-base](./spfx/sp-client-base/sp-client-base-module.md)||
 |[sp-client-preview](./spfx/sp-client-preview/sp-client-preview-module.md)||
 |[sp-module-interfaces](./spfx/sp-module-interfaces/sp-module-interfaces-module.md)||
 |[typings/es6-collections](./spfx/es6-collections/es6-collections-module.md)||