Update contributing guide.

satwikkansal · satwikkansal · commit 17a456adf13a · 2017-09-11T21:52:45.000+05:30
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -1,5 +1,7 @@
 All patches are welcome. Feel free to even suggest some catch and funny titles for the existing Examples. I really want to make this collection as interesting to read as possible.
 
+If the changes you suggest are siginificant, filing an issue before submitting the actual patch will be appreciated. If you'd like to work on the issue (highly encouraged), you can mention that you're interested in working on it while creating the issue and get assigned to it.
+
 If you're adding a new example, please do create an issue to discuss it before submitting a patch.
 
 You can use the following template for adding a new example:
diff --git a/README.md b/README.md
@@ -1723,7 +1723,7 @@ Trying to come up with an example that combines multiple examples discussed abov
 
 # Contributing
 
-All patches are Welcome! Filing an [issue](https://github.com/satwikkansal/wtfPython) first before submitting a patch will be appreciated :) You can see [CONTRIBUTING.md](/CONTRIBUTING.md) further details.
+All patches are Welcome! Filing an [issue](https://github.com/satwikkansal/wtfPython) first before submitting a patch will be appreciated :) Please see [CONTRIBUTING.md](/CONTRIBUTING.md) for further details.
 
 # Acknowledgements
 
