Apply suggestions from code review

Co-authored-by: Penelope Yong <[email protected]>

Author: mhauru

src/abstract_varinfo.jl

@@ -139,7 +139,7 @@ function getaccs end
 Return a boolean for whether `vi` has an accumulator with name `accname`.
 """
 hasacc(vi::AbstractVarInfo, accname::Val) = haskey(getaccs(vi), accname)
-function hassacc(vi::AbstractVarInfo, accname::Symbol)
+function hasacc(vi::AbstractVarInfo, accname::Symbol)
     return error(
         """
         The method hasacc(vi::AbstractVarInfo, accname::Symbol) does not exist. For type

src/accumulators.jl

@@ -5,7 +5,7 @@ An abstract type for accumulators.
 
 An accumulator is an object that may change its value at every tilde_assume!! or
 tilde_observe!! call based on the random variable in question. The obvious examples of
-accumulators are the log prior and log likelihood. Others examples might be a variable that
+accumulators are the log prior and log likelihood. Other examples might be a variable that
 counts the number of observations in a trace, or a list of the names of random variables
 seen so far.