[clang-format][doc] Minor cleanup

Author: owenca

clang/docs/ClangFormat.rst

@@ -33,7 +33,7 @@ to format C/C++/Java/JavaScript/JSON/Objective-C/Protobuf/C# code.
   Clang-format options:
 
     --Werror                       - If set, changes formatting warnings to errors
-    --Wno-error=<value>            - If set don't error out on the specified warning type.
+    --Wno-error=<value>            - If set, don't error out on the specified warning type.
       =unknown                     -   If set, unknown format options are only warned about.
                                        This can be used to enable formatting, even if the
                                        configuration contains unknown (newer) options.

clang/include/clang/Format/Format.h

@@ -4970,12 +4970,11 @@ struct FormatStyle {
   /// \version 12
   std::vector<std::string> StatementAttributeLikeMacros;
 
-  /// A vector of macros that should be interpreted as complete
-  /// statements.
+  /// A vector of macros that should be interpreted as complete statements.
   ///
-  /// Typical macros are expressions, and require a semi-colon to be
-  /// added; sometimes this is not the case, and this allows to make
-  /// clang-format aware of such cases.
+  /// Typical macros are expressions and require a semicolon to be added.
+  /// Sometimes this is not the case, and this allows to make clang-format aware
+  /// of such cases.
   ///
   /// For example: Q_UNUSED
   /// \version 8

clang/tools/clang-format/ClangFormat.cpp

@@ -178,7 +178,7 @@ enum class WNoError { Unknown };
 
 static cl::bits<WNoError> WNoErrorList(
     "Wno-error",
-    cl::desc("If set don't error out on the specified warning type."),
+    cl::desc("If set, don't error out on the specified warning type."),
     cl::values(
         clEnumValN(WNoError::Unknown, "unknown",
                    "If set, unknown format options are only warned about.\n"