Fix typo

Author: mikeland73

internal/wrapnix/wrapper.sh.tmpl

@@ -19,7 +19,7 @@ already set. (perf optimization)
 
 We use the guard to prevent infinite loop if something in shellenv causes 
 another wrapped binary to be called. The guard is specific to this project so shellenv
-could stil cause another project's shellenv to be called.
+could still cause another project's shellenv to be called.
 
 DO_NOT_TRACK=1 can be removed once we optimize segment to queue events.
 */ -}}