[gjs: 1/2] docs: adjust gcc version

[Philip Chimento <pchimento src gnome org>]

commit 64222fe16161f33595888fb5e8af4506889b8ca9
Author: Claudio André <claudioandre br gmail com>
Date:   Sat Jun 9 20:12:44 2018 -0300

    docs: adjust gcc version
    
    [skip ci]

 README.md | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/README.md b/README.md
index 9d9aacd3..780fd4ff 100644
--- a/README.md
+++ b/README.md
@@ -19,14 +19,14 @@ Wiki: https://wiki.gnome.org/action/show/Projects/Gjs
 
 How to build and run if you want to contribute to GJS: see doc/Hacking.md
 
-#### Testing
+## Testing
 
 Our CI (continuous integration) testing scheme stresses the source code using:
 - Fedora 27, Ubuntu 18.04, Fedora 29 (devel), and Ubuntu 18.10 (devel);
-- gcc 7.3 and gcc 8.0;
+- gcc 7.3 and gcc 8.1;
 - clang 6.0;
 - C/C++ and Javascript Linters;
-- Code Climate  (https://codeclimate.com/);
+- Code Climate (https://codeclimate.com/);
 - ASAN (address sanitizer) and UBSAN (undefined behavior sanitizer);
 - Valgrind (https://en.wikipedia.org/wiki/Valgrind);
 - Code Coverage (https://en.wikipedia.org/wiki/Code_coverage);