diff --git a/src/doc/guide.md b/src/doc/guide.md
index 87816134378..473c30ab1c4 100644
--- a/src/doc/guide.md
+++ b/src/doc/guide.md
@@ -5274,7 +5274,7 @@ let result = task::try(proc() {
 
 This task will randomly panic or succeed. `task::try` returns a `Result`
 type, so we can handle the response like any other computation that may
-panic.
+fail.
 
 # Macros