diff --git a/lib/Analysis/ScalarEvolutionExpander.cpp b/lib/Analysis/ScalarEvolutionExpander.cpp
index bcccb04a1e7..7157d47dbcc 100644
--- a/lib/Analysis/ScalarEvolutionExpander.cpp
+++ b/lib/Analysis/ScalarEvolutionExpander.cpp
@@ -357,7 +357,7 @@ Value *SCEVExpander::expandAddToGEP(const SCEV *const *op_begin,
   // without the other.
   SplitAddRecs(Ops, Ty, SE);
 
-  // Decend down the pointer's type and attempt to convert the other
+  // Descend down the pointer's type and attempt to convert the other
   // operands into GEP indices, at each level. The first index in a GEP
   // indexes into the array implied by the pointer operand; the rest of
   // the indices index into the element or field type selected by the