1 files changed, 2 insertions, 2 deletions

diff --git a/lisp/ielm.el b/lisp/ielm.el
index 5a91361f2d2..727face3695 100644
--- a/lisp/ielm.el
+++ b/lisp/ielm.el
@@ -102,7 +102,7 @@ prevent a running IELM process from being messed up when the user
 customizes `ielm-prompt'.")
 
 (defcustom ielm-dynamic-return t
-  "*Controls whether \\<ielm-map>\\[ielm-return] has intelligent behaviour in IELM.
+  "*Controls whether \\<ielm-map>\\[ielm-return] has intelligent behavior in IELM.
 If non-nil, \\[ielm-return] evaluates input for complete sexps, or inserts a newline
 and indents for incomplete sexps.  If nil, always inserts newlines."
   :type 'boolean
@@ -468,7 +468,7 @@ buffer, then the values in the working buffer are used.  The variables
 Expressions evaluated by IELM are not subject to `debug-on-quit' or
 `debug-on-error'.
 
-The behaviour of IELM may be customized with the following variables:
+The behavior of IELM may be customized with the following variables:
 * To stop beeping on error, set `ielm-noisy' to nil.
 * If you don't like the prompt, you can change it by setting `ielm-prompt'.
 * If you do not like that the prompt is (by default) read-only, set