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diff --git a/TeleMetrum/index.mdwn b/TeleMetrum/index.mdwn
index a7f4abab5d687847cc11bf3096e22864dea106d0..46f16f7e5f0ee9dd8b6259e5563ca9382e9a9ff3 100644 (file)
--- a/TeleMetrum/index.mdwn
+++ b/TeleMetrum/index.mdwn
@@ -99,10 +99,11 @@ always want GPS on board, which lead to our current second generation boards.
        * 128k x 8
        * SPI interface
 * [Microchip MCP9700A](http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en027103) discrete temperature sensor
-       * eliminated in v0.2 to free GPIO line for companion interface
 * used 1000uF electrolytic capacitor charged to 5V for pyro supply
 * two LEDs instead of one attached to CPU
-       * eliminated second LED to free GPIO line for companion interface
+
+The elimination of the discrete temperature sensor and second LED were
+necessary to support the companion board interface added in v0.2.
 
 ## [Production History](production) ##