diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index d8574c7..b9d08fd 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -14025,7 +14025,7 @@ Local static variables are a common source of data races.
 
 ##### Example, bad:
 
-    void f(fstream&  fs, regex pattern)
+    void f(fstream& fs, regex pattern)
     {
         array<double, max> buf;
         int sz = read_vec(fs, buf, max);            // read from fs into buf