diff --git a/doc/src/bonds.txt b/doc/src/bonds.txt
index fdc3d23c13..a900fdf611 100644
--- a/doc/src/bonds.txt
+++ b/doc/src/bonds.txt
@@ -1,4 +1,4 @@
-Bonds :h1
+Bond Styles :h1
 
 <!-- RST
 
diff --git a/doc/src/manifolds.txt b/doc/src/manifolds.txt
index 6f7b0a9e2b..9f0082d5dc 100644
--- a/doc/src/manifolds.txt
+++ b/doc/src/manifolds.txt
@@ -6,7 +6,7 @@
 
 :line
 
-Manifolds (surfacse) :h3
+Manifolds (surfaces) :h3
 
 [Overview:]