diff --git a/README.md b/README.md
index d23945488..0b54982af 100644
--- a/README.md
+++ b/README.md
@@ -76,7 +76,7 @@ Enable the SBT plugin by adding
 addSbtPlugin("io.get-coursier" % "sbt-coursier" % "1.0.0-M15")
 ```
 to `~/.sbt/0.13/plugins/build.sbt` (enables it globally), or to the `project/plugins.sbt` file
-of a SBT project. Tested with SBT 0.13.8 / 0.13.9 / 0.13.11 / 0.13.12.
+of an SBT project. Tested with SBT 0.13.8 / 0.13.9 / 0.13.11 / 0.13.12.
 
 
 ### Command-line
@@ -219,7 +219,7 @@ addSbtPlugin("io.get-coursier" % "sbt-coursier" % "1.0.0-M15")
 ```
 to `~/.sbt/0.13/plugins/build.sbt`
 
-To enable it on a per-project basis, add it only to the `project/plugins.sbt` of a SBT project.
+To enable it on a per-project basis, add it only to the `project/plugins.sbt` of an SBT project.
 The SBT plugin has been tested only with SBT 0.13.8 / 0.13.9 / 0.13.11 / 0.13.12. It doesn't currently work with the SBT 1.0 milestones.
 
 Once enabled, the `update`, `updateClassifiers`, and `updateSbtClassifiers` commands are taken care of by coursier. These