Touch up grammar for dict.update() docstring.
diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index 208888d..bf9ec55 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -2473,10 +2473,10 @@
2-tuple; but raise KeyError if D is empty.");
PyDoc_STRVAR(update__doc__,
-"D.update([E, ]**F) -> None. Update D from dict/iterable E and F.\n"
-"If E present and has a .keys() method, does: for k in E: D[k] = E[k]\n\
-If E present and lacks .keys() method, does: for (k, v) in E: D[k] = v\n\
-In either case, this is followed by: for k in F: D[k] = F[k]");
+"D.update([E, ]**F) -> None. Update D from dict/iterable E and F.\n\
+If E is present and has a .keys() method, then does: for k in E: D[k] = E[k]\n\
+If E is present and lacks a .keys() method, then does: for k, v in E: D[k] = v\n\
+In either case, this is followed by: for k in F: D[k] = F[k]");
PyDoc_STRVAR(fromkeys__doc__,
"dict.fromkeys(S[,v]) -> New dict with keys from S and values equal to v.\n\