diff --git a/myFirstRMarkdown.Rmd b/myFirstRMarkdown.Rmd
index ec8bae18687cb737823a8973e24a0fefd0c22d38..a9c8bd6e862e30da4d01055978e88d14950af789 100644
--- a/myFirstRMarkdown.Rmd
+++ b/myFirstRMarkdown.Rmd
@@ -86,7 +86,7 @@ ggplot(plotDT,
 
 Now draw a plot of hydro as a % of all.
 
-```{r, fig.cap="Plot hydro as a % of all generation by date and time period"}
+```{r hydro as percent chart, fig.cap="Plot hydro as a % of all generation by date and time period"}
 # > hydro as a % of all ----
 plotDT <- plotDT[, sumAllMW := sum(totalMW), keyby = .(Time_Period, rDate)] # calculate total
 plotDT <- plotDT[, pcTotalMW := 100*(totalMW/sumAllMW)] # calculate %
diff --git a/myFirstRMarkdown.html b/myFirstRMarkdown.html
index cc5a83fde23f93d222951430de66dc12fa913f3d..143dd46aa0c038f561bac7cbf914e86cb84876ee 100644
--- a/myFirstRMarkdown.html
+++ b/myFirstRMarkdown.html
@@ -218,7 +218,7 @@ div.tocify {
 
 <h1 class="title toc-ignore">myFirstRMarkdown</h1>
 <h4 class="author"><em>Ben Anderson (<a href="mailto:b.anderson@soton.ac.uk">b.anderson@soton.ac.uk</a> <code>@dataknut</code>)</em></h4>
-<h4 class="date"><em>Last run at: 2018-03-29 14:44:06</em></h4>
+<h4 class="date"><em>Last run at: 2018-03-29 14:45:15</em></h4>
 
 </div>
 
@@ -410,7 +410,7 @@ ggplot(plotDT[Fuel_Code == &quot;Hydro&quot;],
   geom_line()</code></pre>
 <pre><code>## Warning: Removed 62 rows containing missing values (geom_path).</code></pre>
 <div class="figure">
-<img src="myFirstRMarkdown_files/figure-html/unnamed-chunk-1-1.png" alt="Plot hydro as a % of all generation by date and time period" />
+<img src="myFirstRMarkdown_files/figure-html/hydro%20as%20percent%20chart-1.png" alt="Plot hydro as a % of all generation by date and time period" />
 <p class="caption">Plot hydro as a % of all generation by date and time period</p>
 </div>
 </div>
diff --git a/myFirstRMarkdown.md b/myFirstRMarkdown.md
index e2b7e722edd8179fb1f596f4cfc4107fcd6bbccb..3af4b9825214e2f3e4110ac1c3640596c25570ec 100644
--- a/myFirstRMarkdown.md
+++ b/myFirstRMarkdown.md
@@ -1,7 +1,7 @@
 ---
 title: "myFirstRMarkdown"
 author: "Ben Anderson (b.anderson@soton.ac.uk `@dataknut`)"
-date: 'Last run at: 2018-03-29 14:44:06'
+date: 'Last run at: 2018-03-29 14:45:15'
 output:
   html_document:
     fig_caption: yes
@@ -138,7 +138,7 @@ ggplot(plotDT[Fuel_Code == "Hydro"],
 ## Warning: Removed 62 rows containing missing values (geom_path).
 ```
 
-![Plot hydro as a % of all generation by date and time period](myFirstRMarkdown_files/figure-html/unnamed-chunk-1-1.png)
+![Plot hydro as a % of all generation by date and time period](myFirstRMarkdown_files/figure-html/hydro as percent chart-1.png)
 
 # Discuss your results
 here
diff --git a/myFirstRMarkdown_files/figure-html/hydro as percent chart-1.png b/myFirstRMarkdown_files/figure-html/hydro as percent chart-1.png
new file mode 100644
index 0000000000000000000000000000000000000000..daffdaf4a8980c30ded78d7b7f1c6cc5e5caf332
Binary files /dev/null and b/myFirstRMarkdown_files/figure-html/hydro as percent chart-1.png differ