chore: update language in README.md (#66)

Author: oleoneto

README.md

@@ -6,13 +6,13 @@ directories over the internet.
 
 It is also useful as a standalone tool for quick copy jobs.
 
-Iroh will take case of hole punching and NAT traversal whenever possible,
+Iroh will take care of hole punching and NAT traversal whenever possible,
 and fall back to a relay if hole punching does not succeed.
 
 Iroh-blobs will take care of [blake3](https://crates.io/crates/blake3) verified
 streaming, including resuming interrupted downloads.
 
-Sendme works with 256 bit node ids and is therefore location transparent. A ticket
+Sendme works with 256 bit node ids and is, therefore, location transparent. A ticket
 will remain valid if the IP address changes. Connections are encrypted using
 TLS.
 
@@ -34,7 +34,7 @@ This will create a temporary [iroh](https://crates.io/crates/iroh) node that
 serves the content in the given file or directory. It will output a ticket that
 can be used to get the data.
 
-The provider will run until it is terminated using Control-C. On termination it
+The provider will run until it is terminated using `Control-C`. On termination, it
 will delete the temporary directory.
 
 This currently will create a temporary directory in the current directory. In
@@ -53,6 +53,6 @@ It will create a temporary directory in the current directory, download the data
 (single file or directory), and only then move these files to the target
 directory.
 
-On completion it will delete the temp directory.
+On completion, it will delete the temp directory.
 
-All temp directories start with `.sendme-`.
+All temp directories start with `.sendme-`.