Fix tiny typo in bread types. (#339)

book/bread-types/bread-types.tex

@@ -346,7 +346,7 @@ \section{Loaf pan bread}
 sticky dough. You can opt for a hydration of \qtyrange{90}{100}{\percent}, almost
 resembling a default sourdough starter. Just like with flatbread,
 the high humidity helps to make a more airy, fluffy crumb. The bread will
-also be a bit chewier. This type of bread made with rye ismy family's favorite
+also be a bit chewier. This type of bread made with rye is my family's favorite
 style of bread.  The hearty rye flavor paired with the sticky consistency really
 makes an excellent sandwich bread.