diff --git a/bin/ss b/bin/ss
index 5aae3d38..6ff2bcfe 100755
--- a/bin/ss
+++ b/bin/ss
@@ -1,6 +1,8 @@
 #!/bin/sh
 
-# Start taking screenshots every N seconds, until this script is called again
+# Start taking screenshots every N seconds, until this script is
+# called again.
+
 if [ ! -f ~/.ss ]; then
     dir="$1"
     if [ $# -eq 0 ]; then
@@ -8,7 +10,7 @@ if [ ! -f ~/.ss ]; then
         dir=~/Desktop/ss
     fi
     echo "$dir" > ~/.ss
-    echo "Timelapse, go!" 
+    echo "Timelapse, go!"
     i=1;while [ -f ~/.ss ];do screencapture -t jpg -x "$dir/$i.jpg"; let i++;sleep 5; done &
 else
     echo "Deactivating timelapse! Images in: $(cat ~/.ss)/"
diff --git a/zshrc b/zshrc
index d1482d38..d919aedf 100644
--- a/zshrc
+++ b/zshrc
@@ -12,7 +12,8 @@ fi
 
 source ~/.zsh/aliases
 
-# Init extra niceties
+# Initialize rbenv and pyenv; rehashing slows down zsh startup, so we
+# disable it.
 is-callable 'rbenv' && eval "$(rbenv init - --no-rehash)"
 if is-callable 'pyenv'; then
     eval "$(pyenv init - --no-rehash)"