Improve docstrings in paths

Author: juliohm

src/traversing/linear.jl

@@ -5,7 +5,7 @@
 """
     LinearPath()
 
-Traverse a domain with `N` elements in order `1:N`.
+Traverse a domain with `n` elements in order `1:n`.
 """
 struct LinearPath <: Path end
 

src/traversing/random.jl

@@ -5,8 +5,8 @@
 """
     RandomPath()
 
-Traverse a domain with `N` elements in a random
-permutation of `1:N`.
+Traverse a domain with `n` elements in a random
+permutation of `1:n`.
 """
 struct RandomPath{R<:AbstractRNG} <: Path
   rng::R

src/traversing/shifted.jl

@@ -5,8 +5,8 @@
 """
     ShiftedPath(path, offset)
 
-Traverse a domain with the `path` shifted by an `offset`
-that can be positive or negative.
+Traverse a domain with the `path` shifted by an integer
+`offset` that can be positive or negative.
 """
 struct ShiftedPath{P<:Path} <: Path
   path::P