Fix a missing update that C compiles default to gnu17.

https://reviews.llvm.org/D75383 switched the C default to gnu17, but
missed this instance.

Differential Revision: https://reviews.llvm.org/D83726

diff --git a/clang/docs/CommandGuide/clang.rst b/clang/docs/CommandGuide/clang.rst
index 5978650..2cca04f 100644 (file)
--- a/clang/docs/CommandGuide/clang.rst
+++ b/clang/docs/CommandGuide/clang.rst
@@ -146,7 +146,7 @@ Language Selection and Mode Options
 
    ISO C 2017 with GNU extensions
 
- The default C language standard is ``gnu11``, except on PS4, where it is
+ The default C language standard is ``gnu17``, except on PS4, where it is
  ``gnu99``.
 
  Supported values for the C++ language are: