diff --git a/include/llvm/ADT/SmallVector.h b/include/llvm/ADT/SmallVector.h
index 1c7a73f764f..0c9f7eb6345 100644
--- a/include/llvm/ADT/SmallVector.h
+++ b/include/llvm/ADT/SmallVector.h
@@ -88,7 +88,7 @@ protected:
   }
 
   /// grow_pod - This is an implementation of the grow() method which only works
-  /// on POD-like datatypes and is out of line to reduce code duplication.
+  /// on POD-like data types and is out of line to reduce code duplication.
   void grow_pod(size_t MinSizeInBytes, size_t TSize);
 
 public:
diff --git a/include/llvm/Support/raw_ostream.h b/include/llvm/Support/raw_ostream.h
index 6bc8935b146..d55feb7b0f3 100644
--- a/include/llvm/Support/raw_ostream.h
+++ b/include/llvm/Support/raw_ostream.h
@@ -165,7 +165,7 @@ public:
   }
 
   raw_ostream &operator<<(const char *Str) {
-    // Inline fast path, particulary for constant strings where a sufficiently
+    // Inline fast path, particularly for constant strings where a sufficiently
     // smart compiler will simplify strlen.
 
     return this->operator<<(StringRef(Str));
@@ -358,7 +358,7 @@ public:
   void close();
 
   /// seek - Flushes the stream and repositions the underlying file descriptor
-  /// positition to the offset specified from the beginning of the file.
+  /// position to the offset specified from the beginning of the file.
   uint64_t seek(uint64_t off);
 
   virtual raw_ostream &changeColor(enum Colors colors, bool bold=false,