Patch #1026384: fix two common typo's:

- accomodate -> accommodate
- occured -> occurred

Thanks George Yoshida!
diff --git a/Doc/lib/libarray.tex b/Doc/lib/libarray.tex
index e168e54..897310d 100644
--- a/Doc/lib/libarray.tex
+++ b/Doc/lib/libarray.tex
@@ -105,7 +105,7 @@
 \end{methoddesc}
 
 \begin{methoddesc}[array]{count}{x}
-Return the number of occurences of \var{x} in the array.
+Return the number of occurrences of \var{x} in the array.
 \end{methoddesc}
 
 \begin{methoddesc}[array]{extend}{iterable}
@@ -147,7 +147,7 @@
 
 \begin{methoddesc}[array]{index}{x}
 Return the smallest \var{i} such that \var{i} is the index of
-the first occurence of \var{x} in the array.
+the first occurrence of \var{x} in the array.
 \end{methoddesc}
 
 \begin{methoddesc}[array]{insert}{i, x}
@@ -174,7 +174,7 @@
 \end{methoddesc}
 
 \begin{methoddesc}[array]{remove}{x}
-Remove the first occurence of \var{x} from the array.
+Remove the first occurrence of \var{x} from the array.
 \end{methoddesc}
 
 \begin{methoddesc}[array]{reverse}{}