diff --git a/include/grp_.h b/include/grp_.h
index 697a78606..3d00b4aa7 100644
--- a/include/grp_.h
+++ b/include/grp_.h
@@ -29,7 +29,7 @@
 #endif
 
 /* This file is #included after #include <grp.h>
- * We will use libc-defined structures, but will #define finction names
+ * We will use libc-defined structures, but will #define function names
  * so that function calls are directed to bb_internal_XXX replacements
  */
 
diff --git a/include/pwd_.h b/include/pwd_.h
index c36e4686c..a0cf7c9f7 100644
--- a/include/pwd_.h
+++ b/include/pwd_.h
@@ -29,7 +29,7 @@
 #endif
 
 /* This file is #included after #include <pwd.h>
- * We will use libc-defined structures, but will #define finction names
+ * We will use libc-defined structures, but will #define function names
  * so that function calls are directed to bb_internal_XXX replacements
  */
 
diff --git a/include/shadow_.h b/include/shadow_.h
index 73bed8400..60f3e6b5f 100644
--- a/include/shadow_.h
+++ b/include/shadow_.h
@@ -27,7 +27,7 @@
 #endif
 
 /* This file is #included after #include <shadow.h>
- * We will use libc-defined structures, but will #define finction names
+ * We will use libc-defined structures, but will #define function names
  * so that function calls are directed to bb_internal_XXX replacements
  */