diff --git a/readme.md b/readme.md
index 3ee87b11..6f753e4d 100644
--- a/readme.md
+++ b/readme.md
@@ -134,7 +134,7 @@ JAEGER_TAGS | no | A comma separated list of `name = value` tracer level tags, w
 |--- | --- | --- |
 | COS_READ_SIDE_CONFIG_<SETTING_NAME>_<READSIDE_ID> | readside configuration settings | <none> |
 
-### Local dev additionam env vars
+### Local dev additional env vars
 
 | environment variable | description | default |
 | --- | --- | --- |