diff --git a/README.md b/README.md
index 2292ad4..82f270e 100644
--- a/README.md
+++ b/README.md
@@ -162,7 +162,7 @@ In this tests we will also see how to interact with View components in tests via
 We will also see how to test a specific Activity (same concept can be applied to fragments)
 
 #### Robolectric and Android Tests.
-Open the [shared tests instruction set](./codekata/sharedtests.instructionset).
+Open the [shared tests instruction set](./codekata/sharedtests.instructionset.md).
 
 In this section we will see how can we share Robolectric test source with AndroidTests to run our same tests on actual device.
 We will also see how to write AndroidTest End to End Tests.
diff --git a/codekata/sharedtests.instructionset b/codekata/sharedtests.instructionset.md
similarity index 99%
rename from codekata/sharedtests.instructionset
rename to codekata/sharedtests.instructionset.md
index d9aa1e6..3e0e2bc 100644
--- a/codekata/sharedtests.instructionset
+++ b/codekata/sharedtests.instructionset.md
@@ -1,6 +1,6 @@
 # 6. Starting of Shared tests and Android Tests
 
-This is our last instructionset and it's all about testing on Real Android devices and on Emulators.
+This is our last instruction set and it's all about testing on Real Android devices and on Emulators.
 It's important for this section to finish the Robolectric testing, because we will continue from that.
 
 In this testing instruction set you will learn how to write simple tests running on real devices and run the same tests via Robolectric.