diff --git a/capturing_images.md b/capturing_images.md
index b3b4e8e..ea6ad69 100644
--- a/capturing_images.md
+++ b/capturing_images.md
@@ -6,7 +6,6 @@
 gst-launch-1.0 videotestsrc ! pngenc ! filesink location=foo.png
 ```
 
-
 ### Capture an image as jpeg
 
 ```
diff --git a/test_streams.md b/test_streams.md
index e24a058..8cb7d2e 100644
--- a/test_streams.md
+++ b/test_streams.md
@@ -11,9 +11,26 @@ bit like this:
 
 ![Test pattern window](images/test-pattern.png "Test pattern window")
 
+Colons can be used to align columns.
+
+| Tables        | Are           | Cool  |
+| ------------- |:-------------:| -----:|
+| col 3 is      | right-aligned | $1600 |
+| col 2 is      | centered      |   $12 |
+| zebra stripes | are neat      |    $1 |
+
+There must be at least 3 dashes separating each header cell.
+The outer pipes (|) are optional, and you don't need to make the 
+raw Markdown line up prettily. You can also use inline Markdown.
+
+Markdown | Less | Pretty
+--- | --- | ---
+*Still* | `renders` | **nicely**
+1 | 2 | 3
+
 There are multiple test patterns available, such as
 
-| `videotestsrc pattern=snow`  | !(images/test_snow.png) |
+| `videotestsrc pattern=snow`  | ![](images/test_snow.png) |
 | `videotestsrc pattern=red` (and blue and green) | !(images/test_red.png) |
 | `videotestsrc pattern=red` (and blue and green) | !(images/test_red.png) |
 | `videotestsrc pattern=pinwheel` | !(images/test_pinwheel.png) |