[docs] Update usage directive for llvm-cov report -show-functions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@337062 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/CommandGuide/llvm-cov.rst b/docs/CommandGuide/llvm-cov.rst
index 8e9c78c..6f1b6e4 100644 (file)
--- a/docs/CommandGuide/llvm-cov.rst
+++ b/docs/CommandGuide/llvm-cov.rst
@@ -327,8 +327,8 @@ the binaries *BIN*,... using the profile data *PROFILE*. It can optionally be
 filtered to only show the coverage for the files listed in *SOURCES*.
 
 If no source files are provided, a summary line is printed for each file in the
-coverage data. If any files are provided, summaries are shown for each function
-in the listed files instead.
+coverage data. If any files are provided, summaries can be shown for each
+function in the listed files if the ``-show-functions`` option is enabled.
 
 For information on compiling programs for coverage and generating profile data,
 see :ref:`llvm-cov-show`.