diff --git a/README.md b/README.md
index 379d54c..58c88bc 100644
--- a/README.md
+++ b/README.md
@@ -80,7 +80,7 @@ All categories have subcategories. You can list them with:
     $ python list.py
     Usage: list.py category [subcategory] [nb_results] [offset]
     List subcategories and apps within them.
-    category: To obtain a list of supported catagories, use categories.py
+    category: To obtain a list of supported categories, use categories.py
     subcategory: You can get a list of all subcategories available, by supplying a valid category
 
     $ python list.py WEATHER | pp