Image Capture: yet another README.md table fix

third_party/WebKit/Source/modules/imagecapture/README.md

 # Image Capture API
 
 This folder contains the implementation of the [W3C Image Capture API].
 Image Capture was shipped in Chrome M59; please consult the
 [Implementation Status] if you think a feature should be available and isn't.
 
 [W3C Image Capture API]: https://w3c.github.io/mediacapture-image/
 [Implementation Status]: https://github.com/w3c/mediacapture-image/blob/master/implementation-status.md
 
 This API is structured around the [ImageCapture class] _and_ a number of
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 ### Photo settings and capabilities
 
 The photo-specific options and settings are associated to `theImageCapturer` or
 `theTrack` depending on whether a given capability/setting has an immediately
 recognisable effect on `theTrack`, in other words if it's "live" or not. For
 example, changing the zoom level is instantly reflected on the `theTrack`,
 while connecting the Red Eye Reduction, if available, is not.
 
 | Object                   |type                 | retrieved by...                         |
-| :--                      |:--                  | --:                                     |
+|:------------------------ |:------------------- | ---------------------------------------:|
 |[`PhotoCapabilities`]     |non-live capabilities|`theImageCapturer.getPhotoCapabilities()`|
 |[`MediaTrackCapabilities`]|live capabilities    |`theTrack.getCapabilities()`             |
 |                          |                     |                                         |
 |[`PhotoSettings`]         |non-live settings    |                                         |
 |[`MediaTrackSettings`]    |live settings        |`theTrack.getSettings()`                 |
 
 [`PhotoCapabilities`]: https://w3c.github.io/mediacapture-image/##photocapabilities-section
 [`MediaTrackCapabilities`]: https://w3c.github.io/mediacapture-image/#mediatrackcapabilities-section
 [`PhotoSettings`]: https://w3c.github.io/mediacapture-image/##photosettings-section
 [`MediaTrackSettings`]: https://w3c.github.io/mediacapture-image/#mediatracksettings-section
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 ## Testing
 
 Sensors layout tests are located in [LayoutTests/imagecapture],
 [LayoutTests/fast/imagecapture] and [LayoutTests/external/mediacapture-image].
 
 [LayoutTests/imagecapture]: https://chromium.googlesource.com/chromium/src/+/master/third_party/WebKit/LayoutTests/imagecapture
 [LayoutTests/fast/imagecapture]: https://chromium.googlesource.com/chromium/src/+/master/third_party/WebKit/LayoutTests/fast/imagecapture/
 [LayoutTests/external/mediacapture-image]: https://chromium.googlesource.com/chromium/src/+/master/third_party/WebKit/LayoutTests/external/wpt/mediacapture-image/