fixed Sphinx title underline

sommersoft · sommersoft · commit 6146508ce354 · 2018-02-03T08:56:36.000-06:00
diff --git a/adafruit_trellis/trellis.py b/adafruit_trellis/trellis.py
@@ -21,7 +21,7 @@
 #  affiliation to Adafruit is implied.
 """
 `adafruit_trellis` - Adafruit Trellis Monochrome 4x4 LED Backlit Keypad
-====================================================
+========================================================================
 
 CircuitPython library to support Adafruit's Trellis Keypad.
 
diff --git a/adafruit_trellis/trellis_set.py b/adafruit_trellis/trellis_set.py
@@ -25,7 +25,7 @@
 #  affiliation to Adafruit is implied.
 """
 `adafruit_trellis` - Adafruit Trellis Monochrome 4x4 LED Backlit Keypad
-====================================================
+========================================================================
 
 CircuitPython library to support Adafruit's Trellis Keypad.
 
