Fix documentation typos

Author: puddly

README.md

@@ -30,7 +30,7 @@ Upgrade the package within your virtual environment (requires `git`):
 (venv) $ pip install git+https://github.com/zigpy/zigpy-znp/
 ```
 
-Launch Home Assistant the `--skip-pip` command line option to prevent zigpy-znp from being downgraded. Running with this option may prevent newly added integrations from installing required packages.
+Launch Home Assistant with the `--skip-pip` command line option to prevent zigpy-znp from being downgraded. Running with this option may prevent newly added integrations from installing required packages.
 
 ### Testing `dev` with Home Assistant OS
 

TOOLS.md

@@ -157,7 +157,7 @@ For example, a network backup will allow you to migrate from a CC2531 with Z-Sta
 fully documented so you can fill out the appropriate information by hand to form a network
 if you are migrating from a non-Texas Instruments device.
 
-To get ZHA to utilize your new radio, make sure to change the coordiantor's `path` in
+To get ZHA to utilize your new radio, make sure to change the coordinator's `path` in
 `/config/.storage/core.config_entries`.
 
 ### NVRAM backup