Remove additional space

Co-authored-by: Pol (Paula) <[email protected]>

README.md

@@ -548,7 +548,7 @@ When set to true, it will activate interpolation of variables in the elements of
 
 :warning: **Important:** this is considered an unsafe option as the most compatible way to achieve this is to run the strings through `eval` which could lead to arbitrary code execution or information leaking if you don't have complete control of the pipeline
 
-Note that rules regarding [environment variable interpolation](https://buildkite.com/docs/pipelines/environment-variables#runtime-variable-interpolation)  apply here. That means that `$VARIABLE_NAME` is resolved at pipeline upload time, whereas `$$VARIABLE_NAME` will be at run time. All things being equal, you likely want to use `$$VARIABLE_NAME` on the variables mentioned in this option.
+Note that rules regarding [environment variable interpolation](https://buildkite.com/docs/pipelines/environment-variables#runtime-variable-interpolation) apply here. That means that `$VARIABLE_NAME` is resolved at pipeline upload time, whereas `$$VARIABLE_NAME` will be at run time. All things being equal, you likely want to use `$$VARIABLE_NAME` on the variables mentioned in this option.
 
 ### `graceful-shutdown` (optional, run only)