Sync a documentation comment with code.

This change list does not change tool behavior.

Bug: 252785559
Change-Id: I773d2390061db597861c09cf356efbb9df255b1a

tools/cpu_profile

diff --git a/tools/cpu_profile b/tools/cpu_profile
index 3b507e1..42969c3 100755
--- a/tools/cpu_profile
+++ b/tools/cpu_profile
@@ -225,8 +225,8 @@
   """ Downloads a prebuilt or returns a cached version
 
   The first time this is invoked, it downloads the |url| and caches it into
-  ~/.perfetto/prebuilts/$tool_name. On subsequent invocations it just runs the
-  cached version.
+  ~/.local/share/perfetto/prebuilts/$tool_name. On subsequent invocations it
+  just runs the cached version.
   """
   dir = os.path.join(
       os.path.expanduser('~'), '.local', 'share', 'perfetto', 'prebuilts')