Xapian (and hence notmuch) prefixes are either **boolean**, supporting
exact matches like "tag:inbox" or **probabilistic**, supporting a more
flexible **term** based searching. Certain **special** prefixes are
-processed by notmuch in a way not stricly fitting either of Xapian's
+processed by notmuch in a way not strictly fitting either of Xapian's
built in styles. The prefixes currently supported by notmuch are as
follows.
**phrases**. Phrases are indicated by double quotes (but beware you
probably need to protect those from your shell) and insist that those
unstemmed words occur in that order. One useful, but initially
-surprising feature is that the following are equivalant ways to write
+surprising feature is that the following are equivalent ways to write
the same phrase.
- "a list of words"
- a.list.of.words
Both parenthesised lists of terms and quoted phrases are ok with
-probabilisitic prefixes such as **to:**, **from:**, and **subject:**. In particular
+probabilistic prefixes such as **to:**, **from:**, and **subject:**. In particular
::