Kconfig help fixes

diff -u -r1.4 Kconfig
@@ -6,7 +6,7 @@
 	  CPUFreq. Please note that it is recommended to use the sysfs
 	  interface instead (which is built automatically). 
 	  
-	  For details, take a look at linux/Documentation/cpufreq. 
+	  For details, take a look at linux/Documentation/cpu-freq. 
 	  
 	  If in doubt, say N.
 

@@ -64,7 +64,7 @@
           be able to set the CPU dynamically, like on LART 
 	  ( http://www.lart.tudelft.nl/ )
 
-	  For details, take a look at linux/Documentation/cpufreq. 
+	  For details, take a look at linux/Documentation/cpu-freq.
 
 	  If in doubt, say Y.
 

@@ -78,6 +78,6 @@
 	  the same functionality as long as "userspace" is the
 	  selected governor for the specified CPU.
 	
-	  For details, take a look at linux/Documentation/cpufreq. 
+	  For details, take a look at linux/Documentation/cpu-freq.
 
 	  If in doubt, say N.