diff --git a/README.Rmd b/README.Rmd
index 399c689..d8a653b 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -139,7 +139,7 @@
 
 ## Slide Transitions
 
-You can use the `transition` and `background_transition` optoins to specify the global default slide transition style:
+You can use the `transition` and `background_transition` options to specify the global default slide transition style:
 
 * `transition` specifies the visual effect when moving between slides. Available transitions are "default", "fade", "slide", "convex", "concave", "zoom" or "none".
 
@@ -181,7 +181,7 @@
     
 Backgrounds transition using a fade animation by default. This can be changed to a linear sliding transition by specifying the `background-transition: slide`. Alternatively you can set data-background-transition on any slide with a background to override that specific transition.
 
-## 2-D Presenations
+## 2-D Presentations
 
 You can use the `slide_level` option to specify which level of heading will be used to denote individual slides. If `slide_level` is 2 (the default), a two-dimensional layout will be produced, with level 1 headers building horizontally and level 2 headers building vertically. For example:
 
@@ -278,7 +278,7 @@
 
 ## Document Dependencies
 
-By default R Markdown produces standalone HTML files with no external dependencies, using data: URIs to incorporate the contents of linked scripts, stylesheets, images, and videos. This means you can share or publish the file just like you share Office documents or PDFs. If you'd rather have keep depenencies in external files you can specify `self_contained: false`. For example:
+By default R Markdown produces standalone HTML files with no external dependencies, using data: URIs to incorporate the contents of linked scripts, stylesheets, images, and videos. This means you can share or publish the file just like you share Office documents or PDFs. If you'd rather keep dependencies in external files you can specify `self_contained: false`. For example:
 
     ---
     title: "Habits"
@@ -357,7 +357,7 @@
 
 ### Pandoc Arguments
 
-If there are pandoc features you want to use that lack equivilants in the YAML options described above you can still use them by passing custom `pandoc_args`. For example:
+If there are pandoc features you want to use that lack equivalents in the YAML options described above you can still use them by passing custom `pandoc_args`. For example:
 
     ---
     title: "Habits"
@@ -373,7 +373,7 @@
 
 ## Shared Options
 
-If you want to specify a set of default options to be shared by multiple documents within a directory you can include a file named `_output.yaml` within the directory. Note that no YAML delimeters or enclosing output object are used in this file. For example:
+If you want to specify a set of default options to be shared by multiple documents within a directory you can include a file named `_output.yaml` within the directory. Note that no YAML delimiters or enclosing output object are used in this file. For example:
 
 **\_output.yaml**
 
@@ -385,14 +385,3 @@
 ```
 
 All documents located in the same directory as `_output.yaml` will inherit it's options. Options defined explicitly within documents will override those specified in the shared options file.
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