Add a clang-tidy error again to show how Travis CI works

1 files changed, 3 insertions, 2 deletions

diff --git a/clang-tidy-diff.sh b/clang-tidy-diff.sh
index 2e5cfc441..0bf952166 100755
--- a/clang-tidy-diff.sh
+++ b/clang-tidy-diff.sh
@@ -1,7 +1,8 @@
 #!/bin/bash
 
-# In settings in which build directory is different than binaryen/, we don't
-# have this file in binaryen/, so we skip the test.
+# In some Travis CI settings in which the build directory is a subdirectory of
+# binaryen/, we don't have the compilation database file in binaryen/. We skip
+# the test in this case.
 if [ ! -f compile_commands.json ]
 then
   exit 0