diff --git a/README.md b/README.md
index 660ee5c..ace6711 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Scour is an SVG optimizer/cleaner written in Python that reduces the size of sca
 
 It can be used to create streamlined vector graphics suitable for web deployment, publishing/sharing or further processing.
 
-The goal of Scour is to output a file that renders identically at a fraction of the size by removing a lot of redundant information created by most SVG editors. Optimization options are typically lossless but can be tweaked for more agressive cleaning.
+The goal of Scour is to output a file that renders identically at a fraction of the size by removing a lot of redundant information created by most SVG editors. Optimization options are typically lossless but can be tweaked for more aggressive cleaning.
 
 Scour is open-source and licensed under [Apache License 2.0](https://github.com/codedread/scour/blob/master/LICENSE).