diff --git a/docs/CONTRIBUTING.adoc b/docs/CONTRIBUTING.adoc
index a0608cb5e..3bdc65084 100644
--- a/docs/CONTRIBUTING.adoc
+++ b/docs/CONTRIBUTING.adoc
@@ -24,8 +24,8 @@ contributions flow more efficiently.
 
 * Please https://verilator.org/issues/new[Open a new issue].
 
-* You may attach a patch to the issue, or (preferred) may point to a GitHub
-  repository branch within your GitHub account.
+* You may attach a patch to the issue, or (preferred) may request a GitHub
+  pull request.
 
 ** Verilator uses Travis CI to provide continuous integration. You may
    want to setup Travis CI on your GitHub branch to ensure your changes
diff --git a/docs/internals.adoc b/docs/internals.adoc
index 9a0379199..3a8550200 100644
--- a/docs/internals.adoc
+++ b/docs/internals.adoc
@@ -382,6 +382,13 @@ changed; if clear, checking those signals for changes may be skipped.
 
 == Coding Conventions
 
+=== Compiler Version and C++11
+
+Verilator supports GCC 4.4.7 and newer.  GCC 4.4.7 does not support C++11,
+therefore C++11 is generally not required.  Exceptions may be made to
+require C++11 for features that are only practical with C++11,
+e.g. threads.
+
 === Indentation and Naming Style
 
 We will work with contributors to fix up indentation style issues, but it