Fix typos in bio.pod
CLA: trivial
@@ -17,7 +17,7 @@ details from an application. If an application uses a BIO for its
I/O it can transparently handle SSL connections, unencrypted network
connections and file I/O.
-There are two type of BIO, a source/sink BIO and a filter BIO.
+There are two types of BIO, a source/sink BIO and a filter BIO.
As its name implies a source/sink BIO is a source and/or sink of data,
examples include a socket BIO and a file BIO.
@@ -31,7 +31,7 @@ BIO will encrypt data if it is being written to and decrypt data
if it is being read from.
BIOs can be joined together to form a chain (a single BIO is a chain
-with one component). A chain normally consist of one source/sink
+with one component). A chain normally consists of one source/sink
BIO and one or more filter BIOs. Data read from or written to the
first BIO then traverses the chain to the end (normally a source/sink
BIO).
