diff --git a/apex/pyprof/README.md b/apex/pyprof/README.md
index 6681f94e4..ca10c4641 100644
--- a/apex/pyprof/README.md
+++ b/apex/pyprof/README.md
@@ -179,7 +179,7 @@ You can choose which columns you'd like to display. Here's a list from calling `
               dir:      Direction
               sub:      Sub Sequence Id
               mod:      Module
-              op:       Operattion
+              op:       Operation
               kernel:   Kernel Name
               params:   Parameters
               sil:      Silicon Time (in ns)