diff --git a/docs/binary/bit.md b/docs/binary/bit.md
index 4ce273ab..ec88ec11 100644
--- a/docs/binary/bit.md
+++ b/docs/binary/bit.md
@@ -1,5 +1,5 @@
 ---
-title: "Bit"
+title: "bit"
 ---
 
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diff --git a/docs/maths/correlation.md b/docs/maths/correlation.md
index ada96f55..261c9db1 100644
--- a/docs/maths/correlation.md
+++ b/docs/maths/correlation.md
@@ -1,5 +1,5 @@
 ---
-title: "Correlation"
+title: "correlation"
 ---
 
 {{< callout type="info">}}
diff --git a/docs/maths/covariance.md b/docs/maths/covariance.md
index 421886bd..dbf0b000 100644
--- a/docs/maths/covariance.md
+++ b/docs/maths/covariance.md
@@ -1,5 +1,5 @@
 ---
-title: "Covariance"
+title: "covariance"
 ---
 
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diff --git a/docs/maths/gamma.md b/docs/maths/gamma.md
index d174312e..f22cfce9 100644
--- a/docs/maths/gamma.md
+++ b/docs/maths/gamma.md
@@ -1,5 +1,5 @@
 ---
-title: "Gamma"
+title: "gamma"
 ---
 
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diff --git a/docs/maths/histogram.md b/docs/maths/histogram.md
index ae96c354..d4f9f5a1 100644
--- a/docs/maths/histogram.md
+++ b/docs/maths/histogram.md
@@ -1,5 +1,5 @@
 ---
-title: "Histgram"
+title: "histogram"
 ---
 
 {{< callout type="info">}}