Fix typos in config file

sdcard/mt32-pi.cfg

@@ -88,7 +88,7 @@ output_device = pwm
 
 # Sample rate of audio output (Hz).
 #
-# mt32emu uses an internal samplerate of 32000Hz (just like the real hardware)
+# mt32emu uses an internal sample rate of 32000Hz (just like the real hardware)
 # which is then resampled to this value.
 #
 # FluidSynth renders at this sample rate directly.
@@ -104,7 +104,7 @@ sample_rate = 96000
 # cause underruns (distortion artifacts).
 #
 # Latency is a function of chunk size and sample rate, for example:
-# 512 chunks / 2 channels / 96000Hz * 1000ms = 2.67ms of latency.
+# 512 samples / 2 channels / 96000Hz * 1000ms = 2.67ms of latency.
 # See documentation for recommended values for various Raspberry Pi models.
 #
 # The minimum value varies depending on audio output device.
@@ -215,14 +215,14 @@ type = none
 # Note that not all dimension settings are valid; see documentation for valid
 # configurations for each LCD driver.
 #
-# Values: 20-128 (20*)
+# Values: 20-128 (128*)
 width = 128
 
 # Set the height of the LCD.
 #
 # Same characters vs. pixels considerations as for width.
 #
-# Values: 2-64 (2*)
+# Values: 2-64 (32*)
 height = 32
 
 # Set address (hexadecimal) of I2C LCD.