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diff --git a/doc/sbcl.1 b/doc/sbcl.1
index a877657..ea0c131 100644
--- a/doc/sbcl.1
+++ b/doc/sbcl.1
@@ -41,13 +41,13 @@ To run SBCL, type "sbcl". After startup messages a prompt
 execute it, print any values returned, give you another prompt, and
 wait for your next input.
 
-\f(C
+\f(CR
   $ sbcl
   ...[startup messages elided]...
   * (+ 1 2 3)
 
   6
-  * (quit)
+  * (exit)
 \fR
 
 Most people like to run SBCL as a subprocess under Emacs. The Emacs
@@ -77,7 +77,7 @@ The overall command line syntax is:
 
 Both \-\-end\-runtime\-options and \-\-end\-toplevel\-options are
 optional, and may be omitted. They are intended for use in situations
-where any command line options are under user control (eg. in batch
+where any command line options are under user control (e.g. in batch
 files): by using them you can prevent options intended for your
 program being accidentally processed by SBCL.
 
@@ -122,6 +122,22 @@ As a runtime option equivalent to \-\-noinform \-\-disable\-ldb
 <filename>. See the description of \-\-script as a toplevel option
 below.
 .TP 3
+.B \-\-merge\-core\-pages
+When platform support is present, provide hints to the operating
+system that identical pages may be shared between processes until they
+are written to. This can be useful to reduce the memory usage on
+systems with multiple SBCL processes started from similar but
+differently\-named core files, or from compressed cores. Without
+platform support, do nothing.
+.TP 3
+.B \-\-no-merge\-core\-pages
+Ensures that no sharing hint is provided to the operating system.
+.TP 3
+.B \-\-default\-merge\-core\-pages
+Reverts the sharing hint policy to the default: only compressed cores
+trigger hinting. Uncompressed cores are mapped directly from the core
+file, which is usually enough to ensure sharing.
+.TP 3
 .B \-\-help
 Print some basic information about SBCL, then exit.
 .TP 3
@@ -195,7 +211,7 @@ Implies \-\-no-sysinit \-\-no-userinit \-\-disable-debugger
 \-\-end\-toplevel\-options.
 
 Causes the system to load the specified file and exit immediately
-afterwards, instead of entering the readl-eval-print loop. If the file
+afterwards, instead of entering the read-eval-print loop. If the file
 begins with a shebang line, it is ignored.
 .PP
 
@@ -443,7 +459,7 @@ been installed, the command
 .B info sbcl
 .PP
 should give you access to the complete manual. Depending on your
-installation it may also be available in HTML and PDF formats in eg.
+installation it may also be available in HTML and PDF formats in e.g.
 .IP
 .B /usr/local/share/doc/sbcl/
 .PP