doc: speling in the Manual

doc/manual/abcl.tex

@@ -982,7 +982,7 @@ \subsection{The THREADS Dictionary}
 \subsubsection{Threading Models}
 \index{Threading Models} The interface afforded by
 \code{threads:make-thread} constructs a thread according to the
-current value of \code{THREADS:*THREADING-MODEL*}.  Nomimally such
+current value of \code{THREADS:*THREADING-MODEL*}.  Nominally such
 threads are constructed under the the default \code{:NATIVE} value, by
 which a thread of execution native to the underlying platform is
 associated with each \code{LISP-THREAD}.  When the value
@@ -2011,7 +2011,7 @@ \chapter{History}
 Halfway through the $\pi$ $\alpha$ $\nu$ $\delta$ $\eta$ $\mu$ o
 $\zeta$ \cite{pandemos}, we dyslexic worker bears untied abcl-1.9.0.
 We released abcl-1.9.1 as a maintenance release in February 2023.  In
-June 2023, among other fixes we substantially improved out Gray Stream
+June 2023, among other fixes, we substantially improved our GRAY-STREAM
 support in abcl-1.9.2.
 
 \appendix