diff --git a/doc/src/improper_amoeba.rst b/doc/src/improper_amoeba.rst
index 9b8260b853..18c7f11080 100644
--- a/doc/src/improper_amoeba.rst
+++ b/doc/src/improper_amoeba.rst
@@ -1,7 +1,7 @@
 .. index:: improper_style amoeba
 
-improper_style harmonic command
-===============================
+improper_style amoeba command
+=============================
 
 Syntax
 """"""