Remove references to unsavoury language.

CHANGELOG.md

@@ -1465,7 +1465,7 @@ Have fun and happy live coding!
 * Add check to ensure BPM is a positive value.
 * `density` has now been taught to handle values between 0 and 1 which
   will now stretch time for the specified block.
-* Errors now no longer print out crazy print version of context object
+* Errors now no longer print out unusual print version of context object
   i.e. #<SonicPiSpiderUser1:0x007fc82e1f79a0>
 * Both `in_thread` and `live_loop` have now learned the `delay:` opt
   which will delay the initial execution by the specified number of

app/server/ruby/lib/sonicpi/synths/synthinfo.rb

@@ -1169,7 +1169,7 @@ def synth_name
       end
 
       def doc
-        "A sine wave with a fundamental frequency which is modulated at audio rate by another sine wave with a specific modulation, division and depth. Useful for generating a wide range of sounds by playing with the divisor and depth params. Great for deep powerful bass and crazy 70s sci-fi sounds."
+        "A sine wave with a fundamental frequency which is modulated at audio rate by another sine wave with a specific modulation, division and depth. Useful for generating a wide range of sounds by playing with the divisor and depth params. Great for deep powerful bass and fun 70s sci-fi sounds."
       end
 
       def arg_defaults
@@ -1263,7 +1263,7 @@ def synth_name
       end
 
       def doc
-        "The FM synth modulating between two notes - the duration of the modulation can be modified using the mod_phase arg, the range (number of notes jumped between) by the mod_range arg and the width of the jumps by the mod_width param. The FM synth is a sine wave with a fundamental frequency which is modulated at audio rate by another sine wave with a specific modulation, division and depth. Useful for generating a wide range of sounds by playing with the `:divisor` and `:depth` params. Great for deep powerful bass and crazy 70s sci-fi sounds."
+        "The FM synth modulating between two notes - the duration of the modulation can be modified using the mod_phase arg, the range (number of notes jumped between) by the mod_range arg and the width of the jumps by the mod_width param. The FM synth is a sine wave with a fundamental frequency which is modulated at audio rate by another sine wave with a specific modulation, division and depth. Useful for generating a wide range of sounds by playing with the `:divisor` and `:depth` params. Great for deep powerful bass and fun 70s sci-fi sounds."
       end
 
       def arg_defaults
@@ -5798,7 +5798,7 @@ def on_start(studio, args_h)
       end
 
       def doc
-        "Versatile wobble FX. Will repeatedly modulate a range of filters (rlpf, rhpf) between two cutoff values using a range of control wave forms (saw, pulse, tri, sine). You may alter the phase duration of the wobble, and the resonance of the filter. Combines well with the dsaw synth for crazy dub wobbles. Cutoff value is at cutoff_min at the start of phase"
+        "Versatile wobble FX. Will repeatedly modulate a range of filters (rlpf, rhpf) between two cutoff values using a range of control wave forms (saw, pulse, tri, sine). You may alter the phase duration of the wobble, and the resonance of the filter. Combines well with the dsaw synth for fun dub wobbles. Cutoff value is at cutoff_min at the start of phase"
       end
 
       def arg_defaults