[iterator.concept.sizedsentinel] Improve description

JohelEGP · zygoloid · commit 2950e9fe2e50 · 2020-01-13T11:59:12.000-08:00
diff --git a/source/iterators.tex b/source/iterators.tex
@@ -1542,8 +1542,8 @@
 
 \pnum
 The \libconcept{sized_sentinel_for} concept specifies
-requirements on an \libconcept{input_or_output_iterator} and
-a corresponding \libconcept{sentinel_for}
+requirements on an \libconcept{input_or_output_iterator} type \tcode{I} and
+a corresponding \tcode{\libconcept{sentinel_for}<I>}
 that allow the use of the \tcode{-} operator to compute the distance
 between them in constant time.
 
