diff --git a/README.md b/README.md
index 23edeae..d0f86cf 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ These libraries are in the public domain (or the equivalent where that is not
possible). You can do anything you want with them. You have no legal obligation
to do anything else, although I appreciate attribution.
-#### Are there other single-file public-domain libraries out there?
+#### Are there other single-file public-domain libraries out there?
Yes. I'll even tell you about some. However, I haven't used most of these libraries
and can't comment on their quality. (If you use them and aren't their author, feel
diff --git a/tools/README.footer.md b/tools/README.footer.md
index 92b7884..9467bc3 100644
--- a/tools/README.footer.md
+++ b/tools/README.footer.md
@@ -8,7 +8,7 @@ These libraries are in the public domain (or the equivalent where that is not
possible). You can do anything you want with them. You have no legal obligation
to do anything else, although I appreciate attribution.
-#### Are there other single-file public-domain libraries out there?
+#### Are there other single-file public-domain libraries out there?
Yes. I'll even tell you about some. However, I haven't used most of these libraries
and can't comment on their quality. (If you use them and aren't their author, feel