doc: fix various typos

Co-authored-by: Peter Yordanov <ppyordanov@yahoo.com>

depends/packages/qt.mk

@@ -217,7 +217,7 @@ endef
 #
 # 7. In clang.conf, swap out clang & clang++, for our compiler + flags. See #17466.
 #
-# 8. Adjust a regex in toolchain.prf, to accomodate Guix's usage of
+# 8. Adjust a regex in toolchain.prf, to accommodate Guix's usage of
 # CROSS_LIBRARY_PATH. See #15277.
 define $(package)_preprocess_cmds
   patch -p1 -i $($(package)_patch_dir)/freetype_back_compat.patch && \

depends/patches/fontconfig/gperf_header_regen.patch

@@ -2,7 +2,7 @@ commit 7b6eb33ecd88768b28c67ce5d2d68a7eed5936b6
 Author: fanquake <fanquake@gmail.com>
 Date:   Tue Aug 25 14:34:53 2020 +0800
 
-    Remove rule that causes inadvertant header regeneration
+    Remove rule that causes inadvertent header regeneration
 
     Otherwise the makefile will needlessly attempt to re-generate the
     headers with gperf. This can be dropped once the upstream build is fixed.

depends/patches/native_cctools/ld64_disable_threading.patch

@@ -8,7 +8,7 @@ Date:   Tue Aug 18 01:20:24 2020 +0000
     differently based on which files have already been parsed. This is more
     likely to occur on systems with more CPUs.
 
-    Just disable threading for now. There is no noticable slowdown.
+    Just disable threading for now. There is no noticeable slowdown.
 
     See #9891.
 

depends/patches/qt/freetype_back_compat.patch

@@ -9,7 +9,7 @@ Date:   Tue Aug 18 15:15:08 2020 +0800
     backwards-compatibility.
 
     Qt 5.9 introduced a call to FT_Get_Font_Format(). Replace it with FT_Get_X11_Font_Format()
-    in order to remain compatibile with older freetype, which is still used by e.g. Ubuntu Trusty.
+    in order to remain compatible with older freetype, which is still used by e.g. Ubuntu Trusty.
 
     See #14348.