diff --git a/README.md b/README.md
index 6d028906790..0c8b9dffd96 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 ### Introduction
 
 This second programming assignment will require you to write an R
-function is able to cache potentially time-consuming computations. For
+function which is able to cache potentially time-consuming computations. For
 example, taking the mean of a numeric vector is typically a fast
 operation. However, for a very long vector, it may take too long to
 compute the mean, especially if it has to be computed repeatedly (e.g.
@@ -25,7 +25,7 @@ really a list containing a function to
 1.  set the value of the vector
 2.  get the value of the vector
 3.  set the value of the mean
-4.  get the value of the mean
+4.  get the value of the mean8
 
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