[algorithms] Uniformize spelling of "in the initializer list"

Author: tkoeppe

source/algorithms.tex

@@ -5189,10 +5189,10 @@
 For the first form, type \tcode{T} shall be \tcode{LessThanComparable}.
 
 \pnum
-\returns The smallest value in the initializer_list.
+\returns The smallest value in the initializer list.
 
 \pnum
-\remarks Returns a copy of the leftmost argument when several arguments are equivalent to the smallest.\
+\remarks Returns a copy of the leftmost argument when several arguments are equivalent to the smallest.
 
 \pnum
 \complexity
@@ -5239,7 +5239,7 @@
 For the first form, type \tcode{T} shall be \tcode{LessThanComparable}.
 
 \pnum
-\returns The largest value in the initializer_list.
+\returns The largest value in the initializer list.
 
 \pnum
 \remarks Returns a copy of the leftmost argument when several arguments are equivalent to the largest.