diff --git a/tools/gn/tokenizer.cc b/tools/gn/tokenizer.cc
index b596c74..9625203 100644
--- a/tools/gn/tokenizer.cc
+++ b/tools/gn/tokenizer.cc
@@ -259,8 +259,7 @@
         char c = cur_char();
         if (!IsCurrentWhitespace() && !CouldBeOperator(c) && !IsScoperChar(c) &&
             c != ',') {
-          *err_ = Err(GetCurrentLocation(), "This is not a valid number.",
-                      "Learn to count.");
+          *err_ = Err(GetCurrentLocation(), "This is not a valid number.");
           // Highlight the number.
           err_->AppendRange(LocationRange(location, GetCurrentLocation()));
         }