fetch doc: correct grammar in --force docs

Correct a grammar error (saying "the receiving" made no sense) in the
recently landed documentation added in my 0bc8d71b99 ("fetch: stop
clobbering existing tags without --force", 2018-08-31) by rephrasing
the sentence.  Also correct 'fetching work the same way' by s/work/&s/;

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/pull-fetch-param.txt b/Documentation/pull-fetch-param.txt
index 293c6b9..7d3a60f 100644
--- a/Documentation/pull-fetch-param.txt
+++ b/Documentation/pull-fetch-param.txt
@@ -45,9 +45,9 @@
 +
 Until Git version 2.20, and unlike when pushing with
 linkgit:git-push[1], any updates to `refs/tags/*` would be accepted
-without `+` in the refspec (or `--force`). The receiving promiscuously
+without `+` in the refspec (or `--force`). When fetching, we promiscuously
 considered all tag updates from a remote to be forced fetches.  Since
-Git version 2.20, fetching to update `refs/tags/*` work the same way
+Git version 2.20, fetching to update `refs/tags/*` works the same way
 as when pushing. I.e. any updates will be rejected without `+` in the
 refspec (or `--force`).
 +