# stacks/stacks-project

Fix two typos in schemes

Thanks to Adrian Barquero-Sanchez
http://stacks.math.columbia.edu/tag/01JW#comment-2342
 @@ -3316,7 +3316,8 @@ \section{Base change in algebraic geometry} \begin{enumerate} \item Let $\mathcal{P}$ be a property of schemes over a base. We say that $\mathcal{P}$ is {\it preserved under arbitrary base change}, or simply that {\it preserved under base change} if whenever $X/S$ or simply that $\mathcal{P}$ is {\it preserved under base change} if whenever $X/S$ has $\mathcal{P}$, any base change $X_{S'}/S'$ has $\mathcal{P}$. \item Let $\mathcal{P}$ be a property of morphisms of schemes over a base. We say that $\mathcal{P}$ is {\it preserved under arbitrary base change}, @@ -3335,7 +3336,7 @@ \section{Base change in algebraic geometry} Let $f : X \to S$ be a morphism of schemes. Let $s \in S$ be a point. The {\it scheme theoretic fibre $X_s$ of $f$ over $s$}, or simply the {\it fibre of $f$ over $s$} or simply the {\it fibre of $f$ over $s$}, is the scheme fitting in the following fibre product diagram  \xymatrix{