[CPUFREQ] Documentation fix

Fix reference to where the code actually is. Noted by Hero Wanders.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Dave Jones <davej@redhat.com>
diff --git a/Documentation/cpu-freq/core.txt b/Documentation/cpu-freq/core.txt
index 29b3f9f..ce0666e 100644
--- a/Documentation/cpu-freq/core.txt
+++ b/Documentation/cpu-freq/core.txt
@@ -24,7 +24,7 @@
 1. General Information
 =======================
 
-The CPUFreq core code is located in linux/kernel/cpufreq.c. This
+The CPUFreq core code is located in drivers/cpufreq/cpufreq.c. This
 cpufreq code offers a standardized interface for the CPUFreq
 architecture drivers (those pieces of code that do actual
 frequency transitions), as well as to "notifiers". These are device