com presentations: Fix typos in MongoDB slides: slides/mongodb/Ghengis.png slides/mongodb/cap.xml slides/mongodb/commands-aggregation.xml slides/mongodb/elasticsearch.xml slides/mongodb/excercise03-reviews.xml slides/mongodb/excercise04-reviews-aggr-example.xml slides/mongodb/excercise04-reviews-aggr.xml slides/mongodb/excercise05-indexes.xml slides/mongodb/few-words-about-osm.xml slides/mongodb/genghis.png slides/mongodb/genghis.xml slides/mongo

diff --git a/slides/mongodb/Ghengis.png b/slides/mongodb/Ghengis.png
deleted file mode 100644
index c38a776..0000000
Binary files a/slides/mongodb/Ghengis.png and /dev/null differ
diff --git a/slides/mongodb/cap.xml b/slides/mongodb/cap.xml
index 633d574..6c74b5f 100644
--- a/slides/mongodb/cap.xml
+++ b/slides/mongodb/cap.xml
@@ -5,7 +5,7 @@
 
 <list>
 <bullet>*C*onsistency:<br/>A read sees all previously completed
-writes<br/>(Not the same consitency as in ACID)</bullet>
+writes<br/>(Not the same consistency as in ACID)</bullet>
 <bullet>*A*vailability:<br/>Guarantees that every request receives a response
 about whether it was successful or failed</bullet>
 <bullet>*P*artition Tolerance:<br/>Guaranteed properties are maintained even
diff --git a/slides/mongodb/commands-aggregation.xml b/slides/mongodb/commands-aggregation.xml
index fef7593..6c9dc04 100644
--- a/slides/mongodb/commands-aggregation.xml
+++ b/slides/mongodb/commands-aggregation.xml
@@ -1,7 +1,7 @@
 <slide>
 <title>Aggregation Framework</title>
 
-<blurb>Powerfull framework for running multiple operations in a pipeline, mostly replacing M/R:</blurb>
+<blurb>Powerful framework for running multiple operations in a pipeline, mostly replacing M/R:</blurb>
 <list>
 	<bullet>%$match%: for matching documents, à la %find()%.</bullet>
 	<bullet>%$project%: for "rewriting" documents, but more powerful with
diff --git a/slides/mongodb/elasticsearch.xml b/slides/mongodb/elasticsearch.xml
index aead3c1..6fdacaf 100644
--- a/slides/mongodb/elasticsearch.xml
+++ b/slides/mongodb/elasticsearch.xml
@@ -6,6 +6,6 @@
 <list>
 	<bullet>Elasticsearch is a full text search engine</bullet>
 	<bullet>Support for custom stemming, tokenizing, stop-words, languages, etc.</bullet>
-	<bullet>It's a separate easy to scale NoSQL solution on its own, focussed on text search</bullet>
+	<bullet>It's a separate easy to scale NoSQL solution on its own, focused on text search</bullet>
 </list>
 </slide>
diff --git a/slides/mongodb/excercise03-reviews.xml b/slides/mongodb/excercise03-reviews.xml
index e7d1a3e..0c0f063 100644
--- a/slides/mongodb/excercise03-reviews.xml
+++ b/slides/mongodb/excercise03-reviews.xml
@@ -1,7 +1,7 @@
 <slide>
 <title>Tasting notes</title>
 
-<blurb>Tasting notes are like a review of whiskes. Each user
+<blurb>Tasting notes are like a review of whiskies. Each user
 can have a note for each whisky. Design a schema that allows for:</blurb>
 
 <list>
diff --git a/slides/mongodb/excercise04-reviews-aggr-example.xml b/slides/mongodb/excercise04-reviews-aggr-example.xml
index c0b5645..654492d 100644
--- a/slides/mongodb/excercise04-reviews-aggr-example.xml
+++ b/slides/mongodb/excercise04-reviews-aggr-example.xml
@@ -1,5 +1,5 @@
 <slide>
-<title>Excercise: Aggregation</title>
+<title>Exercise: Aggregation</title>
 
 <example><![CDATA[<?php
 ini_set('xdebug.var_display_max_depth', 4);
diff --git a/slides/mongodb/excercise04-reviews-aggr.xml b/slides/mongodb/excercise04-reviews-aggr.xml
index e7cbfda..cd93e45 100644
--- a/slides/mongodb/excercise04-reviews-aggr.xml
+++ b/slides/mongodb/excercise04-reviews-aggr.xml
@@ -1,5 +1,5 @@
 <slide>
-<title>Excercise: Aggregation</title>
+<title>Exercise: Aggregation</title>
 
 <blurb>Write a script that uses the Aggregation Framework to:</blurb>
 
diff --git a/slides/mongodb/excercise05-indexes.xml b/slides/mongodb/excercise05-indexes.xml
index 580974a..6872f90 100644
--- a/slides/mongodb/excercise05-indexes.xml
+++ b/slides/mongodb/excercise05-indexes.xml
@@ -1,5 +1,5 @@
 <slide>
-<title>Excercise: Indexes</title>
+<title>Exercise: Indexes</title>
 
 <blurb>A common query is to find the ten highest rated beers ordered by %rating_score% first, and %created_at% second.<br/>Write a script to:</blurb>
 
diff --git a/slides/mongodb/few-words-about-osm.xml b/slides/mongodb/few-words-about-osm.xml
index 11d04f1..6a40d8b 100644
--- a/slides/mongodb/few-words-about-osm.xml
+++ b/slides/mongodb/few-words-about-osm.xml
@@ -5,7 +5,7 @@
 	<bullet>The examples in this talk use data from OpenStreetMap</bullet>
 	<bullet>OpenStreetMap is a free worldwide map, created through crowdsourcing</bullet>
 	<bullet>The data is free to download and use under its open license.</bullet>
-	<bullet>It's sort of a WikiPedia for map data</bullet>
+	<bullet>It's sort of a Wikipedia for map data</bullet>
 </list>
 <break lines="2"/>
 <image filename="../map/osm.png"/>
diff --git a/slides/mongodb/genghis.png b/slides/mongodb/genghis.png
new file mode 100644
index 0000000..c38a776
Binary files /dev/null and b/slides/mongodb/genghis.png differ
diff --git a/slides/mongodb/genghis.xml b/slides/mongodb/genghis.xml
new file mode 100644
index 0000000..1949371
--- /dev/null
+++ b/slides/mongodb/genghis.xml
@@ -0,0 +1,5 @@
+<slide>
+<title>Genghis</title>
+
+<image filename="genghis.png"/>
+</slide>
diff --git a/slides/mongodb/ghengis.xml b/slides/mongodb/ghengis.xml
deleted file mode 100644
index 69e1fb4..0000000
--- a/slides/mongodb/ghengis.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<slide>
-<title>Ghengis</title>
-
-<image filename="Ghengis.png"/>
-</slide>
diff --git a/slides/mongodb/query-advanced-example-array1.xml b/slides/mongodb/query-advanced-example-array1.xml
index ca3b7be..f865b95 100644
--- a/slides/mongodb/query-advanced-example-array1.xml
+++ b/slides/mongodb/query-advanced-example-array1.xml
@@ -22,7 +22,7 @@ $c->insert( [
 ] );
 ?>]]></example>
 
-<blurb>Contitent with a city of more than 11 million people and above 100
+<blurb>Continent with a city of more than 11 million people and above 100
 meter.</blurb>
 </div>
 
diff --git a/slides/mongodb/sharding-non-targeted-query1.xml b/slides/mongodb/sharding-non-targeted-query1.xml
index 5486101..fc47811 100644
--- a/slides/mongodb/sharding-non-targeted-query1.xml
+++ b/slides/mongodb/sharding-non-targeted-query1.xml
@@ -3,5 +3,5 @@
 
 <image filename="nontargetted1.png"/>
 
-<blurb align="center">Non-Targetted Request Received</blurb>
+<blurb align="center">Non-Targeted Request Received</blurb>
 </slide>
diff --git a/slides/mongodb/sql2nosql-conclusion.xml b/slides/mongodb/sql2nosql-conclusion.xml
index b165706..dfc0382 100644
--- a/slides/mongodb/sql2nosql-conclusion.xml
+++ b/slides/mongodb/sql2nosql-conclusion.xml
@@ -3,7 +3,7 @@
 
 <list>
     <bullet>No real schema design "theory"</bullet>
-    <bullet>Schema design depends on data access paterns</bullet>
+    <bullet>Schema design depends on data access patterns</bullet>
     <bullet>Replication and sharding</bullet>
     <bullet>Traditional relational database features are replaced by features
     for scalability</bullet>
diff --git a/slides/mongodb/store-city-agenda.xml b/slides/mongodb/store-city-agenda.xml
index 9a2f2d6..a361a65 100644
--- a/slides/mongodb/store-city-agenda.xml
+++ b/slides/mongodb/store-city-agenda.xml
@@ -4,7 +4,7 @@
 <list>
 	<bullet>The Data</bullet>
 	<bullet>Formatting the Data</bullet>
-	<bullet>Four different approches</bullet>
+	<bullet>Four different approaches</bullet>
 	<bullet>Importing into MongoDB</bullet>
 </list>
 </slide>
diff --git a/slides/mongodb/tools-and-monitoring.xml b/slides/mongodb/tools-and-monitoring.xml
index 487067d..c866a2d 100644
--- a/slides/mongodb/tools-and-monitoring.xml
+++ b/slides/mongodb/tools-and-monitoring.xml
@@ -2,7 +2,7 @@
 <title>Tools and monitoring</title>
 
 <list>
-	<bullet>Ghengis: single file mongoDB management app (a la phpMyAdmin)</bullet>
+	<bullet>Genghis: single file mongoDB management app (a la phpMyAdmin)</bullet>
 	<bullet>RockMongo: mongoDB management app (a la phpMyAdmin)</bullet>
 	<bullet>MMS: hosted application for instrumentation</bullet>
 </list>