diff --git a/index.md b/index.md
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+++ b/index.md
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 This project seeks to define a standardized format for sharing the results of particle tracking models.
 
-It was designed with oil spill models in mind, but should support othe particle tracking applications.
+It was designed with oil spill models in mind, but should support other particle tracking applications.
 
 [The standard is here: ](nc_particle_standard.md)
 
-The development of the standard is being mananged in a gitHub project:
+The development of the standard is being managed in a gitHub project:
 
 [nc_particles gitHub project](https://github.com/NOAA-ORR-ERD/nc_particles)