diff --git a/src/core/paste.c b/src/core/paste.c
index d44e6cf..602f41d 100644
--- a/src/core/paste.c
+++ b/src/core/paste.c
@@ -295,7 +295,6 @@ LIB3270_EXPORT int lib3270_set_string_at_address(H3270 *hSession, int baddr, con
 	return rc;
 }
 
-/// @brief Set string at cursor position.
 LIB3270_EXPORT int lib3270_set_string(H3270 *hSession, const unsigned char *str, int length)
 {
 	int rc;
@@ -344,7 +343,7 @@ LIB3270_EXPORT int lib3270_paste(H3270 *h, const unsigned char *str)
 		lib3270_popup_dialog(h,LIB3270_NOTIFY_WARNING,
 										_( "Action failed" ),
 										_( "Unable to paste text" ),
-										"%s", sz == -EINVAL ? _( "Keyboard is locked" ) : _( "Unexpected error" ) );
+										"%s", sz == -EPERM ? _( "Keyboard is locked" ) : _( "Unexpected error" ) );
 		return 0;
 	}
 
diff --git a/src/include/lib3270.h b/src/include/lib3270.h
index 3d26749..eac57e5 100644
--- a/src/include/lib3270.h
+++ b/src/include/lib3270.h
@@ -696,16 +696,19 @@
 	 * @brief Set string at current cursor position.
 	 *
 	 * Returns are ignored; newlines mean "move to beginning of next line";
-	 * tabs and formfeeds become spaces.  Backslashes are not special
+	 * tabs and formfeeds become spaces.  Backslashes are not special.
 	 *
 	 * @param hSession	Session handle.
 	 * @param text		String to input.
 	 * @param length	Length of the string (-1 for auto-detect).
 	 *
-	 * @return Negative if error (sets errno) or number of processed characters.
+	 * @return Negative if error or number (sets errno) of processed characters.
+	 *
+	 * @retval -EPERM		The keyboard is locked.
+	 * @retval -ENOTCONN	Disconnected from host.
 	 *
 	 */
-	LIB3270_EXPORT int lib3270_set_text(H3270 *h, const unsigned char *text, int length);
+	LIB3270_EXPORT int lib3270_set_string(H3270 *h, const unsigned char *text, int length);
 
 	/**
 	 * @brief Set string at defined row/column.
diff --git a/src/include/lib3270/selection.h b/src/include/lib3270/selection.h
index 05a1a8e..e79dd32 100644
--- a/src/include/lib3270/selection.h
+++ b/src/include/lib3270/selection.h
@@ -105,7 +105,7 @@
 	 *
 	 * @see lib3270_pastenext.
 	 *
-	 * @return Non 0 if there's more to paste with lib3270_pastenext
+	 * @return Non 0 if there's more to paste with lib3270_pastenext.
 	 *
 	 */
 	 LIB3270_EXPORT int lib3270_paste(H3270 *h, const unsigned char *str);
--
libgit2 0.21.2