diff --git a/Eigen/src/Core/util/IndexedViewHelper.h b/Eigen/src/Core/util/IndexedViewHelper.h
index ab01c857f..dcba731f0 100644
--- a/Eigen/src/Core/util/IndexedViewHelper.h
+++ b/Eigen/src/Core/util/IndexedViewHelper.h
@@ -117,7 +117,7 @@ template<> struct get_compile_time_incr<SingleRange> {
   enum { value = 1 }; // 1 or 0 ??
 };
 
-// Turn a single index into something that looks like an array (i.e., that exposes a .size(), and operatro[](int) methods)
+// Turn a single index into something that looks like an array (i.e., that exposes a .size(), and operator[](int) methods)
 template<typename T, int XprSize>
 struct IndexedViewCompatibleType<T,XprSize,typename internal::enable_if<internal::is_integral<T>::value>::type> {
   // Here we could simply use Array, but maybe it's less work for the compiler to use
diff --git a/Eigen/src/Core/util/SymbolicIndex.h b/Eigen/src/Core/util/SymbolicIndex.h
index bb6349eb9..1ade6d67b 100644
--- a/Eigen/src/Core/util/SymbolicIndex.h
+++ b/Eigen/src/Core/util/SymbolicIndex.h
@@ -35,7 +35,7 @@ namespace Eigen {
   * std::cout << expr98.eval(x=6) << "\n";
   * \endcode
   *
-  * It is currently only used internally to define and minipulate the placeholders::last and placeholders::end symbols in Eigen::seq and Eigen::seqN.
+  * It is currently only used internally to define and manipulate the placeholders::last and placeholders::end symbols in Eigen::seq and Eigen::seqN.
   *
   */
 namespace Symbolic {
@@ -187,7 +187,7 @@ public:
 
 template<typename T>
 struct is_symbolic {
-  // BaseExpr has no conversion ctor, so we only have to check whether T can be staticaly cast to its base class BaseExpr<T>.
+  // BaseExpr has no conversion ctor, so we only have to check whether T can be statically cast to its base class BaseExpr<T>.
   enum { value = internal::is_convertible<T,BaseExpr<T> >::value };
 };