diff --git a/git.md b/git.md
index 424f8228f..ccdcb30b8 100644
--- a/git.md
+++ b/git.md
@@ -100,28 +100,21 @@ Misc
 
 ## Bisect
 
+    git bisect start HEAD HEAD~6
+    git bisect run npm test
+    git checkout refs/bisect/bad   # this is where it screwed up
+    git bisect reset
+
+### Manual bisection
+
     git bisect start
-    git bisect bad    # current version is bad
+    git bisect good   # current version is good
 
     git checkout HEAD~8
     npm test          # see if it's good
-    git bisect good   # current version is good
+    git bisect bad    # current version is bad
 
-    git bisect run npm test
-
-    git bisect reset   # abort
-
-### Quicker
-
-    git bisect start
-    git bisect bad    # mark commit as bad
-    git checkout HEAD~10
-    git bisect good   # mark commit as good
-    git bisect reset   # stop
-    git bisect start HEAD HEAD~10   # same as bad HEAD, good HEAD~10
-
-    git bisect run make
-    git bisect reset
+    git bisect reset  # abort
 
 ## Searching
 
diff --git a/travis-gh-pages.md b/travis-gh-pages.md
index cb602517c..9fe17e09f 100644
--- a/travis-gh-pages.md
+++ b/travis-gh-pages.md
@@ -12,7 +12,7 @@ Use https://github.com/settings/tokens/new
 ```sh
 # via ruby
 gem install travis
-travis encrypt -r user/repo GH_TOKEN=[the token here]
+travis encrypt -r user/repo GITHUB_TOKEN=[the token here]
 ```
 
 ### Make it run the deploy script on deploy
@@ -23,7 +23,7 @@ script:
   - bash ./scripts/deploy-to-gh-pages.sh
 env:
   global:
-    - GH_REF: "github.com/user/repo.git"
+    - GITHUB_REPO: "user/repo"
     - secure: "nlnXJW/imf/w..."  # <-- from travis-encrypt
 ```
 
@@ -51,7 +51,7 @@ cd public
 git init
 git add .
 git commit -m "Deploy to Github Pages"
-git push --force --quiet "https://${GH_TOKEN}@${GH_REF}" master:gh-pages > /dev/null 2>&1
+git push --force --quiet "https://${GITHUB_TOKEN}@$github.com/${GITHUB_REPO}.git" master:gh-pages > /dev/null 2>&1
 ```
 
 From Ractive, this might be useful in certain cases:
diff --git a/vimscript-functions.md b/vimscript-functions.md
index 7d9544ac0..050264c25 100644
--- a/vimscript-functions.md
+++ b/vimscript-functions.md
@@ -148,7 +148,7 @@ Functions
 ### Strings
 
     if a =~ '\s*'
-    subst(str, '.', 'x', 'g')
+    substitute(str, '.', 'x', 'g')
     strpart("abcdef", 3, 2)    " == "de" (substring)
     strpart("abcdef", 3)       " == "def"
     stridx("abcdef", "e")      " == "e"
@@ -166,6 +166,10 @@ Functions
     strwidth()                  " accounts for ambig characters
     strdisplaywidth()           " accounts for tab stops
 
+    toupper(str)
+    tolower(str)
+    tr('foo', '_-', '  ')
+
 ### Syntax
 
     synstack(line('.'),col('.'))   " returns many
@@ -187,6 +191,17 @@ Functions
     getreg('*')
     getregtype('*')     " v(char), V(line) <ctrl-v>(block)
 
+Comparisons
+-----------
+
+    if name ==# 'John'     " case-sensitive
+    if name ==? 'John'     " case-insensitive
+    if name == 'John'      " depends on :set ignorecase
+    " also: is#, is?, >=#, >=?, and so on
+
+    if "hello" =~ '.*'
+    if "hello" !~ '.*'
+
 Executing
 ---------
 
diff --git a/vimscript-snippets.md b/vimscript-snippets.md
index fa0e578ac..884938e35 100644
--- a/vimscript-snippets.md
+++ b/vimscript-snippets.md
@@ -11,7 +11,7 @@ title: Vimscript snippets
 
 ### Call a function in insert mode
 
-    inoremap X <CR>=script#myfunction()<CR>
+    inoremap X <C-R>=script#myfunction()<CR>
     inoremap <F2> <C-R>=MyVimFunc()?'':''<CR>
 
 ### Checking plugins