diff --git a/doc/README-ja.md b/doc/README-ja.md
index e1a0cd7..cb331c8 100644
--- a/doc/README-ja.md
+++ b/doc/README-ja.md
@@ -360,7 +360,7 @@ let g:syntastic_shell_checkers = ['shellcheck']
     scrooloose / syntastic – 構文チェックプラグイン
     cheat.sh-vim – Vimのサポート
 
-Syntasticは警告とエラー（code analysysツールで見つかった： jshint 、 jshint 、 pylint 、 shellcheckt etc.), and cheat.sh-vim`を表示すると、エディタに書き込まれたプログラミング言語のクエリに関するエラーと警告と回答の説明が表示されます。
+Syntasticは警告とエラー（code analysisツールで見つかった： jshint 、 jshint 、 pylint 、 shellcheckt etc.), and cheat.sh-vim`を表示すると、エディタに書き込まれたプログラミング言語のクエリに関するエラーと警告と回答の説明が表示されます。
 
 cheat.sh Vimプラグインの最も重要な機能が表示されているデモをご覧ください（5分）：
 
diff --git a/lib/panela/panela_colors.py b/lib/panela/panela_colors.py
index 429c6c1..b375b29 100644
--- a/lib/panela/panela_colors.py
+++ b/lib/panela/panela_colors.py
@@ -318,7 +318,7 @@ class Panela:
 
     def put_line(self, x1, y1, x2, y2, char=None, color=None, background=None):
         """
-        Draw line (x1, y1) - (x2, y2) fith foreground color <color>, background color <background>
+        Draw line (x1, y1) - (x2, y2) fill foreground color <color>, background color <background>
         and character <char>, if specified.
         """
 
@@ -408,7 +408,7 @@ class Panela:
     ):
         """
         Paint rectangle (x1,y1) (x2,y2) with foreground color c1 and background bg1 if specified.
-        If spefied colors c2/bg2, rectangle is painted with linear gradient (inclined under angle).
+        If specified colors c2/bg2, rectangle is painted with linear gradient (inclined under angle).
         """
 
         def calculate_color(i, j):
diff --git a/lib/routing.py b/lib/routing.py
index fa7a4dc..ea96eea 100644
--- a/lib/routing.py
+++ b/lib/routing.py
@@ -162,7 +162,7 @@ class Router(object):
                 wrongly_formatted_random = topic[:-8]
                 return wrongly_formatted_random
 
-        # Here if not a random requst, we just forward the topic
+        # Here if not a random request, we just forward the topic
         return topic
 
     def get_answers(
diff --git a/share/adapters/oeis.sh b/share/adapters/oeis.sh
index d2b64ba..c8884ae 100755
--- a/share/adapters/oeis.sh
+++ b/share/adapters/oeis.sh
@@ -61,7 +61,7 @@ oeis() (
     # Print Description (%N)
     grep '%N' $DOC | sed "s/^.*${ID} //"
     printf '\n'
-    # Print Sequence (Three sections %S %T nd %U)
+    # Print Sequence (Three sections %S %T and %U)
     grep '%S' $DOC | sed "s/^.*${ID} //" | tr -d '\n' > $TMP/seq
     grep '%T' $DOC | sed "s/^.*${ID} //" | tr -d '\n' >> $TMP/seq
     grep '%U' $DOC | sed "s/^.*${ID} //" | tr -d '\n' >> $TMP/seq
diff --git a/share/cht.sh.txt b/share/cht.sh.txt
index 2f662ac..c75edf8 100755
--- a/share/cht.sh.txt
+++ b/share/cht.sh.txt
@@ -114,7 +114,7 @@ You can switch the mode with the --mode switch:
     cht.sh --mode lite      # use https://cheat.sh/ only
     cht.sh --mode auto      # use local installation
 
-For intallation and standalone usage, you need \`git\`, \`python\`,
+For installation and standalone usage, you need \`git\`, \`python\`,
 and \`virtualenv\` to be installed locally.
 EOF
     return
@@ -731,7 +731,7 @@ cmd_update() {
   curl -s "${CHTSH_URL}"/:cht.sh > "$TMP2"
   if ! cmp "$0" "$TMP2" > /dev/null 2>&1; then
     if grep -q ^__CHTSH_VERSION= "$TMP2"; then
-      # section was vaildated by us already
+      # section was validated by us already
       args=(--shell "$section")
       cp "$TMP2" "$0" && echo "Updated. Restarting..." && rm "$TMP2" && CHEATSH_RESTART=1 exec "$0" "${args[@]}"
     else