Fix some typos in comments.

2 files changed, 3 insertions, 3 deletions

diff --git a/plugins/setoid_ring/InitialRing.v b/plugins/setoid_ring/InitialRing.v
index 07f49cc4ff..9010917fec 100644
--- a/plugins/setoid_ring/InitialRing.v
+++ b/plugins/setoid_ring/InitialRing.v
@@ -815,7 +815,7 @@ Ltac ring_elements set ext rspec pspec sspec dspec rk :=
                   fun f => f arth ext_r morph lemma1 lemma2
                 | _ => fail 4 "ring: bad sign specification"
                 end
-             | _ => fail 3 "ring: bad coefficiant division specification"
+             | _ => fail 3 "ring: bad coefficient division specification"
              end
           | _ => fail 2 "ring: bad power specification"
           end
diff --git a/plugins/setoid_ring/ZArithRing.v b/plugins/setoid_ring/ZArithRing.v
index 3c4f6b86cf..cf3a87e1d8 100644
--- a/plugins/setoid_ring/ZArithRing.v
+++ b/plugins/setoid_ring/ZArithRing.v
@@ -48,8 +48,8 @@ Ltac Zpower_neg :=
 Add Ring Zr : Zth
   (decidable Zeq_bool_eq, constants [Zcst], preprocess [Zpower_neg;unfold Z.succ],
    power_tac Zpower_theory [Zpow_tac],
-    (* The two following option are not needed, it is the default chose when the set of
-        coefficiant is usual ring Z *)
+    (* The following two options are not needed; they are the default choice
+       when the set of coefficient is the usual ring Z *)
     div (InitialRing.Ztriv_div_th (@Eqsth Z) (@IDphi Z)),
    sign get_signZ_th).