diff --git a/.travis.yml b/.travis.yml
index 4505b7d..5404431 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,8 +20,7 @@ jobs:
       julia: 1
       os: linux
       script:
-        - julia --project=doc/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd()));
-                                               Pkg.instantiate()'
+        - julia --project=doc/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd())); Pkg.instantiate()'
         - julia --project=doc/ doc/make.jl
       after_success: skip
 
diff --git a/doc/src/usage.md b/doc/src/usage.md
index 8b663aa..dcff8a0 100644
--- a/doc/src/usage.md
+++ b/doc/src/usage.md
@@ -148,7 +148,7 @@ Weave will remove the first empty space from each line of documentation.
 
 ## Configuration via YAML Header
 
-When `weave`ing markdown files, you use YAML header to provide additional metadata and configuration options.
+When `weave`ing markdown files, you can use YAML header to provide additional metadata and configuration options.
 See [Header Configuration](@ref) section for more details.
 
 
diff --git a/src/reader/markdown.jl b/src/reader/markdown.jl
index 4620abd..6a462b3 100644
--- a/src/reader/markdown.jl
+++ b/src/reader/markdown.jl
@@ -22,7 +22,12 @@ function separate_header_text(text)
     m = match(HEADER_REGEX, text)
     isnothing(m) && return "", text, 0
     header_text = m[:header]
-    return header_text, replace(text, HEADER_REGEX => ""; count = 1), count("\n", header_text)
+    offset = @static if VERSION ≥ v"1.4"
+        count("\n", header_text)
+    else
+        count(c->c==='\n', header_text)
+    end
+    return header_text, replace(text, HEADER_REGEX => ""; count = 1), offset
 end
 
 # HACK: