Trival misc. typo fixes
diff --git a/src/dispatch_common.c b/src/dispatch_common.c
index 72cda4c..bc2fb94 100644
--- a/src/dispatch_common.c
+++ b/src/dispatch_common.c
@@ -487,7 +487,7 @@
* is supported by the client, this probably isn't the function you want.
*
* Some parts of the spec for OpenGL and friends will return an OpenGL formatted
- * extension string that is seperate from the usual extension strings for the
+ * extension string that is separate from the usual extension strings for the
* spec. This function provides easy parsing of those strings.
*
* @see epoxy_has_gl_extension()