Fix typographical errors in .md files found by cspell

Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
diff --git a/tests/git-scripts/README.md b/tests/git-scripts/README.md
index 29d7501..23db168 100644
--- a/tests/git-scripts/README.md
+++ b/tests/git-scripts/README.md
@@ -1,16 +1,16 @@
 README for git hooks script
 ===========================
 git has a way to run scripts, which are invoked by specific git commands.
-The git hooks are located in `<mbed TLS root>/.git/hooks`, and as such are not under version control
+The git hooks are located in `<Mbed TLS root>/.git/hooks`, and as such are not under version control
 for more information, see the [git documentation](https://git-scm.com/docs/githooks).
 
-The mbed TLS git hooks are located in `<mbed TLS root>/tests/git-scripts` directory, and one must create a soft link from `<mbed TLS root>/.git/hooks` to `<mbed TLS root>/tesst/git-scripts`, in order to make the hook scripts successfully work.
+The Mbed TLS git hooks are located in `<Mbed TLS root>/tests/git-scripts` directory, and one must create a soft link from `<Mbed TLS root>/.git/hooks` to `<Mbed TLS root>/tests/git-scripts`, in order to make the hook scripts successfully work.
 
 Example:
 
-Execute the following command to create a link on linux from the mbed TLS `.git/hooks` directory:  
+Execute the following command to create a link on Linux from the Mbed TLS `.git/hooks` directory:  
 `ln -s ../../tests/git-scripts/pre-push.sh pre-push`
 
-**Note: Currently the mbed TLS git hooks work only on a GNU platform. If using a non-GNU platform, don't enable these hooks!**
+**Note: Currently the Mbed TLS git hooks work only on a GNU platform. If using a non-GNU platform, don't enable these hooks!**
 
 These scripts can also be used independently.