diff --git a/tools/power/cpupower/man/cpupower-powercap-info.1 b/tools/power/cpupower/man/cpupower-powercap-info.1
index df3087000efb..145d6f06fa72 100644
--- a/tools/power/cpupower/man/cpupower-powercap-info.1
+++ b/tools/power/cpupower/man/cpupower-powercap-info.1
@@ -17,7 +17,7 @@ settings of all cores, see cpupower(1) how to choose specific cores.
 .SH "DOCUMENTATION"
 
 kernel sources:
-Documentation/power/powercap/powercap.txt
+Documentation/power/powercap/powercap.rst
 
 
 .SH "SEE ALSO"