Merge pull request #1176 from aloucks/show_hover_context_doc

Clarify show_hover_context default value

README.md

@@ -139,9 +139,10 @@ and the following unstable options:
   first paragraph is recorded. This option _currently_ has little to no effect on
   hover tooltips. The save-analysis docs are only used if source extraction fails.
   This option has no effect on the standard library.
-* `show_hover_context` show additional context in hover tooltips when available.
-  This is often the local variable declaration. When set to false the content is
-  only available when holding the `ctrl` key in some editors.
+* `show_hover_context` (`bool`, defaults to `true`) show additional context in
+  hover tooltips when available. This is often the local variable declaration.
+  When set to false the content is only available when holding the `ctrl` key in
+  some editors.
 
 
 ## Troubleshooting