[PATCH] Added keyboard shortcuts to developer documentation.

[Dr. Tilmann Bubeck]

Added the keyboard shortcuts found from the source code to the
developer documentation.
---
 docs/development.txt |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/docs/development.txt b/docs/development.txt
index 9d6898a..57a819f 100644
--- a/docs/development.txt
+++ b/docs/development.txt
@@ -101,6 +101,19 @@ influence plymouth.
 
  * +plymouth.nolog+ Disable logging.
 
+
+Keyboard commands
+~~~~~~~~~~~~~~~~~
+
+plymouthd can be controlled with the keyboard. Use the following keys:
+
+ * +Esc+: Toggle between system console and plymouth boot animation.
+
+ * +Ctrl-V+: Toogle verbose mode on and off.
+
+ * +Ctrl-U+ or +Ctrl-W+: erase a line
+
+
 Debugging
 ---------
 
-- 
1.7.7.6