diff --git a/fcs-samples/Tokenizer/Program.fs b/fcs-samples/Tokenizer/Program.fs
index 5a3537367382..6e36b59bbb5e 100644
--- a/fcs-samples/Tokenizer/Program.fs
+++ b/fcs-samples/Tokenizer/Program.fs
@@ -18,7 +18,7 @@ let tokenizeLines (lines:string[]) =
 
 let tokenizedLines = 
   tokenizeLines
-    [| "// Sets the hello wrold variable"
+    [| "// Sets the hello world variable"
        "let hello = \"Hello world\" " |]
 
 for lineNo, lineToks in tokenizedLines do
diff --git a/tests/FSharp.Compiler.UnitTests/TokenizerTests.fs b/tests/FSharp.Compiler.UnitTests/TokenizerTests.fs
index 7590cbd7d35b..e44feec1f8ff 100644
--- a/tests/FSharp.Compiler.UnitTests/TokenizerTests.fs
+++ b/tests/FSharp.Compiler.UnitTests/TokenizerTests.fs
@@ -32,7 +32,7 @@ let tokenizeLines (lines:string[]) =
 let ``Tokenizer test - simple let with string``() =
     let tokenizedLines = 
       tokenizeLines
-        [| "// Sets the hello wrold variable"
+        [| "// Sets the hello world variable"
            "let hello = \"Hello world\" " |]
 
     let actual = 
@@ -43,7 +43,7 @@ let ``Tokenizer test - simple let with string``() =
         [("LINE_COMMENT", "//"); ("LINE_COMMENT", " "); ("LINE_COMMENT", "Sets");
          ("LINE_COMMENT", " "); ("LINE_COMMENT", "the"); ("LINE_COMMENT", " ");
          ("LINE_COMMENT", "hello"); ("LINE_COMMENT", " ");
-         ("LINE_COMMENT", "wrold"); ("LINE_COMMENT", " ");
+         ("LINE_COMMENT", "world"); ("LINE_COMMENT", " ");
          ("LINE_COMMENT", "variable")]);
        (1,
         [("LET", "let"); ("WHITESPACE", " "); ("IDENT", "hello");