diff --git a/fuzzing-ping.org b/fuzzing-ping.org
index 2ae7f7c..a469749 100644
--- a/fuzzing-ping.org
+++ b/fuzzing-ping.org
@@ -91,7 +91,7 @@ buffer (=dbuf=) of this size. It skips the length byte and copies
 =fsize - 1= bytes into the new buffer. So it trusts that the amount of
 data it read from disk is the same as indicated by the length byte.
 
-While this might seem silly, this is how real world buffer overflows
+While this might seem silly, this is what real world buffer overflows
 look like.
 
 Here is a file where the length byte and file size agree.  Create