trivial: Miscellaneous documentation typo fixes

Fix various typos in documentation txts.

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/Documentation/s390/Debugging390.txt b/Documentation/s390/Debugging390.txt
index 10711d9..1eb576a 100644
--- a/Documentation/s390/Debugging390.txt
+++ b/Documentation/s390/Debugging390.txt
@@ -1984,7 +1984,7 @@
 
 break *0x400618
 
-heres a really useful one for large programs
+Here's a really useful one for large programs
 rbr
 Set a breakpoint for all functions matching REGEXP
 e.g.
@@ -2211,7 +2211,7 @@
 #5  0x51692c in readline_internal () at readline.c:521
 #6  0x5164fe in readline (prompt=0x7ffff810 "\177ÿøx\177ÿ÷Ø\177ÿøxÀ")
     at readline.c:349
-#7  0x4d7a8a in command_line_input (prrompt=0x564420 "(gdb) ", repeat=1,
+#7  0x4d7a8a in command_line_input (prompt=0x564420 "(gdb) ", repeat=1,
     annotation_suffix=0x4d6b44 "prompt") at top.c:2091
 #8  0x4d6cf0 in command_loop () at top.c:1345
 #9  0x4e25bc in main (argc=1, argv=0x7ffffdf4) at main.c:635