diff --git a/.config/nvim/spell/sv.utf-8.add b/.config/nvim/spell/sv.utf-8.add
index f70e4c1b41231f60d997e10ebd751e3184395be3..0af9fa57d6211ba28dd59c3bec6e5d608d311573 100644
--- a/.config/nvim/spell/sv.utf-8.add
+++ b/.config/nvim/spell/sv.utf-8.add
@@ -58,3 +58,4 @@ statefulness
 Pijul
 Pijul's
 Darcs
+off
diff --git a/.vim/coc-settings.json b/.vim/coc-settings.json
index d3f42794a31a6d7dec449847ff53fde406541bf1..f84a9a857538f8366851feab8a902be61e1f6c2d 100644
--- a/.vim/coc-settings.json
+++ b/.vim/coc-settings.json
@@ -102,5 +102,35 @@
                 }
             ]
         }
-    }
+    },
+    "cSpell.userWords": [
+      "ATSAME",
+      "Bootloader",
+      "CBOR",
+      "LZMA",
+      "Monotonics",
+      "NVIC",
+      "Newtype",
+      "QSIZE",
+      "SCFQ",
+      "SCRQ",
+      "SDHC",
+      "SYSCFG",
+      "VECS",
+      "armv",
+      "basepri",
+      "binmode",
+      "bitfield",
+      "ctxt",
+      "datasheet",
+      "eeprom",
+      "gpioa",
+      "heapless",
+      "hprintln",
+      "icer",
+      "iser",
+      "rtic",
+      "semihosting",
+      "spsc"
+    ]
 }
diff --git a/.vim/spell/sv.utf-8.add b/.vim/spell/sv.utf-8.add
index 4dd125981a2382d32db8e8db7393f186cb534f13..6966b7f3b959b38642add012e115764d4b733295 100644
--- a/.vim/spell/sv.utf-8.add
+++ b/.vim/spell/sv.utf-8.add
@@ -1,6 +1,3 @@
-#esseage
-#rogrmammer
-#thernet
 DMA
 EXTI1
 EXTI2