Remove superfluous space (#363)

diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
index 95403e1..db170e3 100644
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -6,7 +6,7 @@
 
 Closes #.
 
- # Rationale for this change
+# Rationale for this change
  
  <!---
  Why are you proposing this change? If this is already explained clearly in the issue then this section is not needed.