Update con-preinstalled-dynamic-plugins.adoc

Typo for unmatched back ticks.

Author: Gerry-Forde

modules/dynamic-plugins/con-preinstalled-dynamic-plugins.adoc

@@ -16,9 +16,9 @@ The following preinstalled dynamic plugins are enabled by default:
 * `@red-hat-developer-hub/backstage-plugin-dynamic-home-page`
 * `@red-hat-developer-hub/backstage-plugin-global-floating-action-button`
 * `@red-hat-developer-hub/backstage-plugin-global-header`
-* `@red-hat-developer-hub/backstage-plugin-catalog-backend-module-marketplace
-* `@red-hat-developer-hub/backstage-plugin-marketplace-backend
-* `@red-hat-developer-hub/backstage-plugin-marketplace
+* `@red-hat-developer-hub/backstage-plugin-catalog-backend-module-marketplace`
+* `@red-hat-developer-hub/backstage-plugin-marketplace-backend`
+* `@red-hat-developer-hub/backstage-plugin-marketplace`
 
 The dynamic plugins that require custom configuration are disabled by default.