Typo.
diff --git a/InstallTroubleshooting.md b/InstallTroubleshooting.md
index 04942f5..8db5285 100644
--- a/InstallTroubleshooting.md
+++ b/InstallTroubleshooting.md
@@ -11,7 +11,7 @@
* GOROOT
* This should _only_ be set if you used a binary distribution and it's not installed in the default location.
* [GOPATH](http://golang.org/cmd/go#GOPATH_environment_variable)
- * This should be set to the directory under which you want your source (and third party packags).
+ * This should be set to the directory under which you want your source (and third party packages).
* This can also be set to a list of absolute paths separated by : (or ; on Windows).
* Note that ~/some/path is not absolute and will probably not work the way you expect (try $HOME/some/path instead).
* GOPATH should not be set to or contain GOROOT
