diff --git a/doc/lispref/modes.texi b/doc/lispref/modes.texi
index 130bc10cd59..8670807cbdf 100644
--- a/doc/lispref/modes.texi
+++ b/doc/lispref/modes.texi
@@ -2692,7 +2692,7 @@ display in pixels, by multiplying the value of this variable by the
 value returned by @code{frame-char-width} (@pxref{Frame Font}), and
 then use the result to align header-line text using the
 @code{:align-to} display property spec (@pxref{Specified Space}) in
-pixels on the relevant parts of @code{header-line-frormat}.
+pixels on the relevant parts of @code{header-line-format}.
 @end defvar
 
 @defun window-header-line-height &optional window
diff --git a/lisp/emacs-lisp/shortdoc.el b/lisp/emacs-lisp/shortdoc.el
index dbc061d8a70..1fa798beae1 100644
--- a/lisp/emacs-lisp/shortdoc.el
+++ b/lisp/emacs-lisp/shortdoc.el
@@ -1388,7 +1388,7 @@ A FUNC form can have any number of `:no-eval' (or `:no-value'),
   (set-text-properties
    :no-eval (set-text-properties (point) (1+ (point)) '(face error)))
   (add-face-text-property
-   (add-face-text-property START END '(:foreground "green")))
+   :no-eval (add-face-text-property START END '(:foreground "green")))
   (propertize
    :eval (propertize "foo" 'face 'italic 'mouse-face 'bold-italic))
   "Searching for Text Properties"
diff --git a/lisp/textmodes/ispell.el b/lisp/textmodes/ispell.el
index 9bd1135c5be..b71e85b0e37 100644
--- a/lisp/textmodes/ispell.el
+++ b/lisp/textmodes/ispell.el
@@ -3974,7 +3974,8 @@ You can bind this to the key C-c i in GNUS or mail by adding to
 		       (point-max)))
 		    (t (min (point-max) (funcall ispell-message-text-end))))))
 	   (default-prefix   ; Vanilla cite prefix (just used for cite-regexp)
-	     (if (ispell-non-empty-string mail-yank-prefix)
+	     (if mail-yank-prefix
+                 (ispell-non-empty-string mail-yank-prefix)
 	       "   \\|\t"))
 	   (cite-regexp			;Prefix of quoted text
 	    (cond