diff --git a/CHANGELOG.md b/CHANGELOG.md
index 94e0771..d2bafbb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,7 +12,7 @@
 * Added support for block device mappings.
 * Added support for deleting values when merging using "--" as a knockout prefix.
 * Shell commands will have leading and trailing whitespace removed
-* All tags will now be explictly converted to strings (AWS doesn't handle implicit conversion)
+* All tags will now be explicitly converted to strings (AWS doesn't handle implicit conversion)
 
 ## 0.7.0
 
diff --git a/DESIGN.md b/DESIGN.md
index 066b372..2967255 100644
--- a/DESIGN.md
+++ b/DESIGN.md
@@ -126,7 +126,7 @@ The CLI is implemented in Thor and help information for any command can be acces
 
 ## Caveats
 
-* We chose to build our own tool rather than lean on an existing tool (ie. Chef/Opscode) because we wanted to be able to rely as much as possible on our existing configuration infrastructure and to use a small and simple tool rather than bringing in a signficant new source of complexity.
+* We chose to build our own tool rather than lean on an existing tool (ie. Chef/Opscode) because we wanted to be able to rely as much as possible on our existing configuration infrastructure and to use a small and simple tool rather than bringing in a significant new source of complexity.
 * The !shell-script functionality provides a window into existing configuration tools, in particular s3dist which can be used to generate the ```include``` property of the config file.
 
 ## Testability