[TextAPI][InstallAPI] Fix documentation typos, NFC

Author: cyndyishida

clang/lib/InstallAPI/Visitor.cpp

@@ -19,7 +19,7 @@ using namespace llvm::MachO;
 
 namespace clang::installapi {
 
-// Exported NamedDecl needs to have externally visibiliy linkage and
+// Exported NamedDecl needs to have external linkage and
 // default visibility from LinkageComputer.
 static bool isExported(const NamedDecl *D) {
   auto LV = D->getLinkageAndVisibility();

llvm/include/llvm/TextAPI/RecordsSlice.h

@@ -50,9 +50,9 @@ class RecordsSlice {
   /// Add non-ObjC global record.
   ///
   /// \param Name The name of symbol.
-  /// \param Flags The flags that describe attributes of the symbol.
-  /// \param GV The kind of global.
   /// \param Linkage The linkage of symbol.
+  /// \param GV The kind of global.
+  /// \param Flags The flags that describe attributes of the symbol.
   /// \return The non-owning pointer to added record in slice.
   GlobalRecord *addGlobal(StringRef Name, RecordLinkage Linkage,
                           GlobalRecord::Kind GV,
@@ -69,6 +69,7 @@ class RecordsSlice {
 
   /// Add ObjC IVar record.
   ///
+  /// \param Container Owning pointer for instance variable.
   /// \param Name The name of ivar, not symbol.
   /// \param Linkage The linkage of symbol.
   /// \return The non-owning pointer to added record in slice.
@@ -93,7 +94,7 @@ class RecordsSlice {
   /// Find ObjC Category.
   ///
   /// \param ClassToExtend The name of class, not full symbol name.
-  /// \param Categories The name of category.
+  /// \param Category The name of category.
   /// \return The non-owning pointer to record in slice.
   ObjCCategoryRecord *findObjCCategory(StringRef ClassToExtend,
                                        StringRef Category) const;