And the rest of the fixes.

doc/4-instrument/fmopll.md

@@ -22,7 +22,7 @@ These apply to the instrument as a whole:
     - Right-click returns to algorithm view.
 - **DC (half-sine carrier)**: Sets the waveform produced by carrier operator to half-sine
 - **DM (half-sine modulator)**: Sets the waveform produced by modulator operator to half-sine
-- preset dropdown: select OPLL preset instrument.
+- preset dropdown: selects OPLL preset instrument.
 
 These apply to each operator:
 - The crossed-arrows button can be dragged to rearrange operators.

doc/4-instrument/snes.md

@@ -20,7 +20,7 @@ these tabs are unique to the editor for SNES instruments.
   - **Delayed (write R on release)**: after release, waits until A and D have completed before starting exponential decrease.
 
 if envelope is off:
-- **Gain Mode**: select gain mode.
+- **Gain Mode**: selects gain mode.
   - **Direct**: direct gain from 0 to 127
   - **Decrease (linear)**: linear gain from -0 to -31
   - **Decrease (logarithmic)**: exponential gain from -0 to -31

doc/5-wave/README.md

@@ -111,7 +111,7 @@ input waveforms should match the size of the wavetable or unexpected results may
 - synthesizer type: selects the synthesis algorithm.
 - waveform displays.
 - **Wave 1**: selects input waveform.
-  - this will turn yellow to indicate that a Waveform macro is set; remove the macro to work with the synthesizer.
+  - this will turn yellow to indicate that a Waveform macro is set.
 - **Wave 2**: selects second input waveform. only appears when a dual-waveform synthesizer is selected.
 - **Pause preview**: toggles live waveform preview.
 - **Restart preview**: restarts preview from initial state.