:memo: Remove additional whitespaces

[ci skip]

docs/api/session.md

@@ -467,7 +467,7 @@ and response headers are available.
   * `resourceType` String
   * `timestamp` Double
   * `responseHeaders` Object
-  * `fromCache` Boolean  - Indicates whether the response was fetched from disk
+  * `fromCache` Boolean - Indicates whether the response was fetched from disk
     cache.
   * `statusCode` Integer
   * `statusLine` String

docs/development/source-code-directory-structure.md

@@ -34,7 +34,7 @@ Electron
 ├── default_app - The default page to show when Electron is started without
 |   providing an app.
 ├── docs - Documentations.
-├── lib  - JavaScript source code.
+├── lib - JavaScript source code.
 |   ├── browser - Javascript main process initialization code.
 |   |   └── api - Javascript API implementation.
 |   ├── common - JavaScript used by both the main and renderer processes