fix typos

README.md

@@ -4,15 +4,13 @@
 A mfix pulverization model that simulates the crack propagation and ultimate break-down within an aggregate particle (assembly of a number of sub-particles) under compression.
 
 ## Getting Started
-See installaton and user guide documents in the [documentation](docs) subdirectory.
+See installation and user guide documents in the [documentation](docs) subdirectory.
 
 ## Authors
-
 * Wesley Xu
 * Brett Okhuysen
 
 ## Development Practices
-
 * Code development will be peformed in a forked copy of the repo. Commits will not be 
   made directly to the repo. Developers will submit a pull request that is then merged
   by another team member, if another team member is available.
@@ -24,10 +22,8 @@ See installaton and user guide documents in the [documentation](docs) subdirecto
 See also the list of [contributors](../../contributors) who participated in this project.
 
 ## Versioning
-
 We use [SemVer](http://semver.org/) for versioning. For the versions available, 
 [releases](../../releases) or [tags](../..//tags) on this repository. 
 
 ## License & Copyright
-
 See [LICENSE.md](LICENSE.md) file for details