diff --git a/lib/Support/FileUtilities.cpp b/lib/Support/FileUtilities.cpp
index 30463e8..42083e4 100644
--- a/lib/Support/FileUtilities.cpp
+++ b/lib/Support/FileUtilities.cpp
@@ -21,13 +21,10 @@
 using namespace llvm;
 
 static bool isSignedChar(char C) {
-  if (C == '+' || C == '-')
-    return true;
-  else
-    return false;
+  return (C == '+' || C == '-');
 }
 
-static bool isExpoentChar(char C) {
+static bool isExponentChar(char C) {
   switch (C) {
   case 'D':  // Strange exponential notation.
   case 'd':  // Strange exponential notation.
@@ -42,7 +39,7 @@
   case '0': case '1': case '2': case '3': case '4':
   case '5': case '6': case '7': case '8': case '9':
   case '.': return true;
-  default: return isSignedChar(C) || isExpoentChar(C);
+  default: return isSignedChar(C) || isExponentChar(C);
   }
 }
 
@@ -53,7 +50,7 @@
   // Otherwise, return to the start of the number.
   while (Pos > FirstChar && isNumberChar(Pos[-1])) {
     --Pos;
-    if (Pos > FirstChar && isSignedChar(Pos[0]) && !isExpoentChar(Pos[-1]))
+    if (Pos > FirstChar && isSignedChar(Pos[0]) && !isExponentChar(Pos[-1]))
       break;
   }
   return Pos;