X-Git-Url: https://git.distorted.org.uk/~mdw/sod/blobdiff_plain/1edb774eed8bea3f6dbde5b02db6ecd209394cf8..5897a8d4f56db50164f054332a2fe5c33328eb51:/doc/concepts.tex

diff --git a/doc/concepts.tex b/doc/concepts.tex
index 8e774fe..0533a68 100644
--- a/doc/concepts.tex
+++ b/doc/concepts.tex
@@ -537,7 +537,7 @@ Keyword arguments can be provided in three ways.
 \end{enumerate}
 
 Perhaps surprisingly, keyword arguments have a relatively small performance
-impact.  On the author's aging laptop, a call to a simple function, passing
+impact.  On the author's ageing laptop, a call to a simple function, passing
 two out of three keyword arguments, takes about 30 cycles longer than calling
 a standard function which just takes integer arguments.  On the other hand,
 quite a lot of code is involved in decoding keyword arguments, so code size
@@ -1278,7 +1278,7 @@ functions.
 Metaobject classes are chosen in a fairly standard way.
 \begin{itemize}
 \item All metaobject definitions support a symbol-valued property, usually
-  named @|@<thing>_class| (e.g., @|slot_class|, @|method_class|), which sets
+  named @|@<thing>{}_class| (e.g., @|slot_class|, @|method_class|), which sets
   the metaobject class explicitly.  (The class for a class metaobject is
   taken from the @|lisp_class| property, because @|class_class| seems less
   meaningful.)