diff --git a/src/os/path_unix.go b/src/os/path_unix.go
index 0211107..36f8e61 100644
--- a/src/os/path_unix.go
+++ b/src/os/path_unix.go
@@ -11,7 +11,7 @@
 	PathListSeparator = ':' // OS-specific path list separator
 )
 
-// IsPathSeparator returns true if c is a directory separator character.
+// IsPathSeparator reports whether c is a directory separator character.
 func IsPathSeparator(c uint8) bool {
 	return PathSeparator == c
 }