[opt-viewer] Mention Pygments in the description

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@286535 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/opt-viewer/opt-viewer.py b/utils/opt-viewer/opt-viewer.py
index cede56ab577eedfb14837079b09fcef6e8647fb5..2b60a642d07c4507b8c26cae89b0973b4ef81f30 100755 (executable)
--- a/utils/opt-viewer/opt-viewer.py
+++ b/utils/opt-viewer/opt-viewer.py
@@ -5,7 +5,7 @@ from __future__ import print_function
 desc = '''Generate HTML output to visualize optimization records from the YAML files
 generated with -fsave-optimization-record and -fdiagnostics-show-hotness.
 
-The tools requires PyYAML to be installed.'''
+The tools requires PyYAML and Pygments Python packages.'''
 
 import yaml
 import argparse