Fix typo in README

Author: edjubuh

README.md

@@ -15,7 +15,7 @@ PROS CLI can be installed directly from source with the following prerequisites:
  - PIP (default in Python 3.5)
  - Setuptools (default in PYthon 3.5)
 
-Clone this repository, then run `pip install --executable <dir>`. Pip will install all the dependencies necessary.
+Clone this repository, then run `pip install -e <dir>`. Pip will install all the dependencies necessary.
 
 ## About this project
 This python project contains 4 modules: proscli, prosconductor, prosconfig, and prosflasher
@@ -35,4 +35,4 @@ These files are serialized by jsonpickle.
 
 ### prosflasher
 prosflasher contains the logic necessary to upload binaries to the VEX Cortex Microcontroller. In the future, we'd like
-to reinclude the ability to manipulate the file system.
+to reinclude the ability to manipulate the file system.