Typos in crystalline

Thanks to Matthieu Romagny
http://stacks.math.columbia.edu/tag/07J6#comment-1918
http://stacks.math.columbia.edu/tag/07J6#comment-1919

crystalline.tex

@@ -2695,7 +2695,7 @@ \section{Connections}
 by $(\Omega_{X/S})_T = \Omega_{T/S, \delta}$
 constructed in Remark \ref{remark-first-order-thickening}.
 It comes with projections $p_0, p_1 : T' \to T$
-and a diagonal $i : T \to T(1)$. By assumption we get
+and a diagonal $i : T \to T'$. By assumption we get
 isomorphisms
 $$
 p_0^*\mathcal{F}_T \xrightarrow{c_0}
@@ -2738,7 +2738,7 @@ \section{Connections}
 & q_2^*\mathcal{F}_T
 }
 $$
-is a commutative map of $\mathcal{O}_{T''}$-modules. For
+is a commutative diagram of $\mathcal{O}_{T''}$-modules. For
 $s \in \Gamma(T, \mathcal{F}_T)$ we have
 $c(p_0^*s) = p_1^*s - \nabla(s)$. Write
 $\nabla(s) = \sum p_1^*s_i \cdot \omega_i$ where $s_i$ is a local section